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Finding the Fourth Proportional to 45,863.52, 63,294 and 25,724.64

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Solution

The fourth proportional to 45,863.52, 63,294 and 25,724.64 is: 35,501.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,863.52 : 63,294 = 25,724.64 : x
  2. Step 2: Convert to fraction form
    45,863.52/63,294 = 25,724.64/x
  3. Step 3: Cross multiply
    45,863.52x = 63,294 × 25,724.64
  4. Step 4: Simplify right side
    45,863.52x = 1,628,215,364.16
  5. Step 5: Solve for x
    x = 1,628,215,364.16/45,863.52
  6. Step 6: Final answer
    x = 35,501.32

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Half scale
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Double scale
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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.