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Finding the Fourth Proportional to 71,552.34, 98,761.50 and 44,678.70

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Solution

The fourth proportional to 71,552.34, 98,761.50 and 44,678.70 is: 61,668.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,552.34 : 98,761.50 = 44,678.70 : x
  2. Step 2: Convert to fraction form
    71,552.34/98,761.50 = 44,678.70/x
  3. Step 3: Cross multiply
    71,552.34x = 98,761.50 × 44,678.70
  4. Step 4: Simplify right side
    71,552.34x = 4,412,535,430.05
  5. Step 5: Solve for x
    x = 4,412,535,430.05/71,552.34
  6. Step 6: Final answer
    x = 61,668.64

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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.