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Finding the Fourth Proportional to 61,909.13, 92,865.11 and 35,063.30

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Solution

The fourth proportional to 61,909.13, 92,865.11 and 35,063.30 is: 52,595.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,909.13 : 92,865.11 = 35,063.30 : x
  2. Step 2: Convert to fraction form
    61,909.13/92,865.11 = 35,063.30/x
  3. Step 3: Cross multiply
    61,909.13x = 92,865.11 × 35,063.30
  4. Step 4: Simplify right side
    61,909.13x = 3,256,157,268.31
  5. Step 5: Solve for x
    x = 3,256,157,268.31/61,909.13
  6. Step 6: Final answer
    x = 52,595.75

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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.