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Finding the Fourth Proportional to 60,581.40, 90,872.10 and 34,337.40

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Solution

The fourth proportional to 60,581.40, 90,872.10 and 34,337.40 is: 51,506.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,581.40 : 90,872.10 = 34,337.40 : x
  2. Step 2: Convert to fraction form
    60,581.40/90,872.10 = 34,337.40/x
  3. Step 3: Cross multiply
    60,581.40x = 90,872.10 × 34,337.40
  4. Step 4: Simplify right side
    60,581.40x = 3,120,311,646.54
  5. Step 5: Solve for x
    x = 3,120,311,646.54/60,581.40
  6. Step 6: Final answer
    x = 51,506.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.