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Finding the Fourth Proportional to 61,681.80, 92,373.54 and 35,306.64

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Solution

The fourth proportional to 61,681.80, 92,373.54 and 35,306.64 is: 52,874.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,681.80 : 92,373.54 = 35,306.64 : x
  2. Step 2: Convert to fraction form
    61,681.80/92,373.54 = 35,306.64/x
  3. Step 3: Cross multiply
    61,681.80x = 92,373.54 × 35,306.64
  4. Step 4: Simplify right side
    61,681.80x = 3,261,399,322.31
  5. Step 5: Solve for x
    x = 3,261,399,322.31/61,681.80
  6. Step 6: Final answer
    x = 52,874.58

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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.