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Finding the Fourth Proportional to 61,841.31, 85,341.03 and 34,983.25

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Solution

The fourth proportional to 61,841.31, 85,341.03 and 34,983.25 is: 48,276.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,841.31 : 85,341.03 = 34,983.25 : x
  2. Step 2: Convert to fraction form
    61,841.31/85,341.03 = 34,983.25/x
  3. Step 3: Cross multiply
    61,841.31x = 85,341.03 × 34,983.25
  4. Step 4: Simplify right side
    61,841.31x = 2,985,506,587.75
  5. Step 5: Solve for x
    x = 2,985,506,587.75/61,841.31
  6. Step 6: Final answer
    x = 48,276.90

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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.