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Finding the Fourth Proportional to 10,592.93, 15,892.10 and 7,479.01

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Solution

The fourth proportional to 10,592.93, 15,892.10 and 7,479.01 is: 11,220.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,592.93 : 15,892.10 = 7,479.01 : x
  2. Step 2: Convert to fraction form
    10,592.93/15,892.10 = 7,479.01/x
  3. Step 3: Cross multiply
    10,592.93x = 15,892.10 × 7,479.01
  4. Step 4: Simplify right side
    10,592.93x = 118,857,057.97
  5. Step 5: Solve for x
    x = 118,857,057.97/10,592.93
  6. Step 6: Final answer
    x = 11,220.41

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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.