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Finding the Fourth Proportional to 65,176.76, 89,945.31 and 36,882.44

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Solution

The fourth proportional to 65,176.76, 89,945.31 and 36,882.44 is: 50,898.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,176.76 : 89,945.31 = 36,882.44 : x
  2. Step 2: Convert to fraction form
    65,176.76/89,945.31 = 36,882.44/x
  3. Step 3: Cross multiply
    65,176.76x = 89,945.31 × 36,882.44
  4. Step 4: Simplify right side
    65,176.76x = 3,317,402,499.36
  5. Step 5: Solve for x
    x = 3,317,402,499.36/65,176.76
  6. Step 6: Final answer
    x = 50,898.55

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1.5x scale

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.