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Finding the Fourth Proportional to 61,562.64, 84,937.56 and 37,664.40

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Solution

The fourth proportional to 61,562.64, 84,937.56 and 37,664.40 is: 51,965.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,562.64 : 84,937.56 = 37,664.40 : x
  2. Step 2: Convert to fraction form
    61,562.64/84,937.56 = 37,664.40/x
  3. Step 3: Cross multiply
    61,562.64x = 84,937.56 × 37,664.40
  4. Step 4: Simplify right side
    61,562.64x = 3,199,122,234.86
  5. Step 5: Solve for x
    x = 3,199,122,234.86/61,562.64
  6. Step 6: Final answer
    x = 51,965.32

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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.