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Finding the Fourth Proportional to 64,508.55, 89,006.22 and 37,635.72

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Solution

The fourth proportional to 64,508.55, 89,006.22 and 37,635.72 is: 51,928.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,508.55 : 89,006.22 = 37,635.72 : x
  2. Step 2: Convert to fraction form
    64,508.55/89,006.22 = 37,635.72/x
  3. Step 3: Cross multiply
    64,508.55x = 89,006.22 × 37,635.72
  4. Step 4: Simplify right side
    64,508.55x = 3,349,813,174.18
  5. Step 5: Solve for x
    x = 3,349,813,174.18/64,508.55
  6. Step 6: Final answer
    x = 51,928.20

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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.