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Finding the Fourth Proportional to 35,486.52, 53,229.80 and 10,862.52

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Solution

The fourth proportional to 35,486.52, 53,229.80 and 10,862.52 is: 16,293.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,486.52 : 53,229.80 = 10,862.52 : x
  2. Step 2: Convert to fraction form
    35,486.52/53,229.80 = 10,862.52/x
  3. Step 3: Cross multiply
    35,486.52x = 53,229.80 × 10,862.52
  4. Step 4: Simplify right side
    35,486.52x = 578,209,767.10
  5. Step 5: Solve for x
    x = 578,209,767.10/35,486.52
  6. Step 6: Final answer
    x = 16,293.79

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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.