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Finding the Fourth Proportional to 65,180.63, 89,931.17 and 36,885.71

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Solution

The fourth proportional to 65,180.63, 89,931.17 and 36,885.71 is: 50,892.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,180.63 : 89,931.17 = 36,885.71 : x
  2. Step 2: Convert to fraction form
    65,180.63/89,931.17 = 36,885.71/x
  3. Step 3: Cross multiply
    65,180.63x = 89,931.17 × 36,885.71
  4. Step 4: Simplify right side
    65,180.63x = 3,317,175,373.62
  5. Step 5: Solve for x
    x = 3,317,175,373.62/65,180.63
  6. Step 6: Final answer
    x = 50,892.04

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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.