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Finding the Fourth Proportional to 65,588.34, 90,511.92 and 37,295.76

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Solution

The fourth proportional to 65,588.34, 90,511.92 and 37,295.76 is: 51,468.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,588.34 : 90,511.92 = 37,295.76 : x
  2. Step 2: Convert to fraction form
    65,588.34/90,511.92 = 37,295.76/x
  3. Step 3: Cross multiply
    65,588.34x = 90,511.92 × 37,295.76
  4. Step 4: Simplify right side
    65,588.34x = 3,375,710,845.46
  5. Step 5: Solve for x
    x = 3,375,710,845.46/65,588.34
  6. Step 6: Final answer
    x = 51,468.15

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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.