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Finding the Fourth Proportional to 61,573.52, 92,209.08 and 39,321.20

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Solution

The fourth proportional to 61,573.52, 92,209.08 and 39,321.20 is: 58,885.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,573.52 : 92,209.08 = 39,321.20 : x
  2. Step 2: Convert to fraction form
    61,573.52/92,209.08 = 39,321.20/x
  3. Step 3: Cross multiply
    61,573.52x = 92,209.08 × 39,321.20
  4. Step 4: Simplify right side
    61,573.52x = 3,625,771,676.50
  5. Step 5: Solve for x
    x = 3,625,771,676.50/61,573.52
  6. Step 6: Final answer
    x = 58,885.24

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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.