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Finding the Fourth Proportional to 61,171.66, 84,442.80 and 37,306.90

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Solution

The fourth proportional to 61,171.66, 84,442.80 and 37,306.90 is: 51,499.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,171.66 : 84,442.80 = 37,306.90 : x
  2. Step 2: Convert to fraction form
    61,171.66/84,442.80 = 37,306.90/x
  3. Step 3: Cross multiply
    61,171.66x = 84,442.80 × 37,306.90
  4. Step 4: Simplify right side
    61,171.66x = 3,150,299,095.32
  5. Step 5: Solve for x
    x = 3,150,299,095.32/61,171.66
  6. Step 6: Final answer
    x = 51,499.32

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1.5x scale

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.