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Finding the Fourth Proportional to 19,904.27, 27,468.54 and 10,952.76

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Solution

The fourth proportional to 19,904.27, 27,468.54 and 10,952.76 is: 15,115.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,904.27 : 27,468.54 = 10,952.76 : x
  2. Step 2: Convert to fraction form
    19,904.27/27,468.54 = 10,952.76/x
  3. Step 3: Cross multiply
    19,904.27x = 27,468.54 × 10,952.76
  4. Step 4: Simplify right side
    19,904.27x = 300,856,326.17
  5. Step 5: Solve for x
    x = 300,856,326.17/19,904.27
  6. Step 6: Final answer
    x = 15,115.16

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.