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Finding the Fourth Proportional to 71,337.76, 98,446.02 and 39,506.62

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Solution

The fourth proportional to 71,337.76, 98,446.02 and 39,506.62 is: 54,519.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,337.76 : 98,446.02 = 39,506.62 : x
  2. Step 2: Convert to fraction form
    71,337.76/98,446.02 = 39,506.62/x
  3. Step 3: Cross multiply
    71,337.76x = 98,446.02 × 39,506.62
  4. Step 4: Simplify right side
    71,337.76x = 3,889,269,502.65
  5. Step 5: Solve for x
    x = 3,889,269,502.65/71,337.76
  6. Step 6: Final answer
    x = 54,519.09

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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.