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Finding the Fourth Proportional to 65,155.44, 89,909.54 and 36,862.96

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Solution

The fourth proportional to 65,155.44, 89,909.54 and 36,862.96 is: 50,868.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,155.44 : 89,909.54 = 36,862.96 : x
  2. Step 2: Convert to fraction form
    65,155.44/89,909.54 = 36,862.96/x
  3. Step 3: Cross multiply
    65,155.44x = 89,909.54 × 36,862.96
  4. Step 4: Simplify right side
    65,155.44x = 3,314,331,776.64
  5. Step 5: Solve for x
    x = 3,314,331,776.64/65,155.44
  6. Step 6: Final answer
    x = 50,868.07

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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.