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Finding the Fourth Proportional to 71,552.40, 98,674.32 and 52,153.68

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Solution

The fourth proportional to 71,552.40, 98,674.32 and 52,153.68 is: 71,922.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,552.40 : 98,674.32 = 52,153.68 : x
  2. Step 2: Convert to fraction form
    71,552.40/98,674.32 = 52,153.68/x
  3. Step 3: Cross multiply
    71,552.40x = 98,674.32 × 52,153.68
  4. Step 4: Simplify right side
    71,552.40x = 5,146,228,909.50
  5. Step 5: Solve for x
    x = 5,146,228,909.50/71,552.40
  6. Step 6: Final answer
    x = 71,922.52

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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.