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Finding the Fourth Proportional to 61,673.40, 92,507.44 and 36,658.30

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Solution

The fourth proportional to 61,673.40, 92,507.44 and 36,658.30 is: 54,985.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,673.40 : 92,507.44 = 36,658.30 : x
  2. Step 2: Convert to fraction form
    61,673.40/92,507.44 = 36,658.30/x
  3. Step 3: Cross multiply
    61,673.40x = 92,507.44 × 36,658.30
  4. Step 4: Simplify right side
    61,673.40x = 3,391,165,249.95
  5. Step 5: Solve for x
    x = 3,391,165,249.95/61,673.40
  6. Step 6: Final answer
    x = 54,985.87

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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.