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Finding the Fourth Proportional to 61,952.60, 85,494.68 and 33,658.28

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Solution

The fourth proportional to 61,952.60, 85,494.68 and 33,658.28 is: 46,448.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,952.60 : 85,494.68 = 33,658.28 : x
  2. Step 2: Convert to fraction form
    61,952.60/85,494.68 = 33,658.28/x
  3. Step 3: Cross multiply
    61,952.60x = 85,494.68 × 33,658.28
  4. Step 4: Simplify right side
    61,952.60x = 2,877,603,877.95
  5. Step 5: Solve for x
    x = 2,877,603,877.95/61,952.60
  6. Step 6: Final answer
    x = 46,448.48

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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.