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Finding the Fourth Proportional to 18,407.98, 27,592.11 and 9,037.10

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Solution

The fourth proportional to 18,407.98, 27,592.11 and 9,037.10 is: 13,545.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,407.98 : 27,592.11 = 9,037.10 : x
  2. Step 2: Convert to fraction form
    18,407.98/27,592.11 = 9,037.10/x
  3. Step 3: Cross multiply
    18,407.98x = 27,592.11 × 9,037.10
  4. Step 4: Simplify right side
    18,407.98x = 249,352,657.28
  5. Step 5: Solve for x
    x = 249,352,657.28/18,407.98
  6. Step 6: Final answer
    x = 13,545.90

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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.