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Finding the Fourth Proportional to 61,654.76, 85,075.02 and 34,427.52

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Solution

The fourth proportional to 61,654.76, 85,075.02 and 34,427.52 is: 47,505.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,654.76 : 85,075.02 = 34,427.52 : x
  2. Step 2: Convert to fraction form
    61,654.76/85,075.02 = 34,427.52/x
  3. Step 3: Cross multiply
    61,654.76x = 85,075.02 × 34,427.52
  4. Step 4: Simplify right side
    61,654.76x = 2,928,921,952.55
  5. Step 5: Solve for x
    x = 2,928,921,952.55/61,654.76
  6. Step 6: Final answer
    x = 47,505.20

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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.