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Finding the Fourth Proportional to 64,115.52, 88,490.70 and 37,266.36

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Solution

The fourth proportional to 64,115.52, 88,490.70 and 37,266.36 is: 51,434.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,115.52 : 88,490.70 = 37,266.36 : x
  2. Step 2: Convert to fraction form
    64,115.52/88,490.70 = 37,266.36/x
  3. Step 3: Cross multiply
    64,115.52x = 88,490.70 × 37,266.36
  4. Step 4: Simplify right side
    64,115.52x = 3,297,726,282.85
  5. Step 5: Solve for x
    x = 3,297,726,282.85/64,115.52
  6. Step 6: Final answer
    x = 51,434.13

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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.