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Finding the Fourth Proportional to 71,348.10, 98,527.08 and 45,898.71

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Solution

The fourth proportional to 71,348.10, 98,527.08 and 45,898.71 is: 63,383.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,348.10 : 98,527.08 = 45,898.71 : x
  2. Step 2: Convert to fraction form
    71,348.10/98,527.08 = 45,898.71/x
  3. Step 3: Cross multiply
    71,348.10x = 98,527.08 × 45,898.71
  4. Step 4: Simplify right side
    71,348.10x = 4,522,265,872.07
  5. Step 5: Solve for x
    x = 4,522,265,872.07/71,348.10
  6. Step 6: Final answer
    x = 63,383.13

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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.