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Finding the Fourth Proportional to 35,139.96, 52,702.14 and 10,174.54

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Solution

The fourth proportional to 35,139.96, 52,702.14 and 10,174.54 is: 15,259.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,139.96 : 52,702.14 = 10,174.54 : x
  2. Step 2: Convert to fraction form
    35,139.96/52,702.14 = 10,174.54/x
  3. Step 3: Cross multiply
    35,139.96x = 52,702.14 × 10,174.54
  4. Step 4: Simplify right side
    35,139.96x = 536,220,031.52
  5. Step 5: Solve for x
    x = 536,220,031.52/35,139.96
  6. Step 6: Final answer
    x = 15,259.55

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.