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Finding the Fourth Proportional to 64,591.56, 89,144.28 and 36,302.40

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Solution

The fourth proportional to 64,591.56, 89,144.28 and 36,302.40 is: 50,101.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,591.56 : 89,144.28 = 36,302.40 : x
  2. Step 2: Convert to fraction form
    64,591.56/89,144.28 = 36,302.40/x
  3. Step 3: Cross multiply
    64,591.56x = 89,144.28 × 36,302.40
  4. Step 4: Simplify right side
    64,591.56x = 3,236,151,310.27
  5. Step 5: Solve for x
    x = 3,236,151,310.27/64,591.56
  6. Step 6: Final answer
    x = 50,101.77

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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.