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Finding the Fourth Proportional to 18,038.01, 24,892.40 and 10,080.24

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Solution

The fourth proportional to 18,038.01, 24,892.40 and 10,080.24 is: 13,910.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,038.01 : 24,892.40 = 10,080.24 : x
  2. Step 2: Convert to fraction form
    18,038.01/24,892.40 = 10,080.24/x
  3. Step 3: Cross multiply
    18,038.01x = 24,892.40 × 10,080.24
  4. Step 4: Simplify right side
    18,038.01x = 250,921,366.18
  5. Step 5: Solve for x
    x = 250,921,366.18/18,038.01
  6. Step 6: Final answer
    x = 13,910.70

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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.