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Finding the Fourth Proportional to 17,653.50, 26,487.59 and 10,995.57

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Solution

The fourth proportional to 17,653.50, 26,487.59 and 10,995.57 is: 16,497.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,653.50 : 26,487.59 = 10,995.57 : x
  2. Step 2: Convert to fraction form
    17,653.50/26,487.59 = 10,995.57/x
  3. Step 3: Cross multiply
    17,653.50x = 26,487.59 × 10,995.57
  4. Step 4: Simplify right side
    17,653.50x = 291,246,095.00
  5. Step 5: Solve for x
    x = 291,246,095.00/17,653.50
  6. Step 6: Final answer
    x = 16,497.92

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.