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Finding the Fourth Proportional to 35,139.96, 52,691.04 and 15,395.54

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Solution

The fourth proportional to 35,139.96, 52,691.04 and 15,395.54 is: 23,085.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,139.96 : 52,691.04 = 15,395.54 : x
  2. Step 2: Convert to fraction form
    35,139.96/52,691.04 = 15,395.54/x
  3. Step 3: Cross multiply
    35,139.96x = 52,691.04 × 15,395.54
  4. Step 4: Simplify right side
    35,139.96x = 811,206,750.51
  5. Step 5: Solve for x
    x = 811,206,750.51/35,139.96
  6. Step 6: Final answer
    x = 23,085.02

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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.