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Finding the Fourth Proportional to 52,613.52, 72,608.80 and 30,257.52

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Solution

The fourth proportional to 52,613.52, 72,608.80 and 30,257.52 is: 41,756.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,613.52 : 72,608.80 = 30,257.52 : x
  2. Step 2: Convert to fraction form
    52,613.52/72,608.80 = 30,257.52/x
  3. Step 3: Cross multiply
    52,613.52x = 72,608.80 × 30,257.52
  4. Step 4: Simplify right side
    52,613.52x = 2,196,962,218.18
  5. Step 5: Solve for x
    x = 2,196,962,218.18/52,613.52
  6. Step 6: Final answer
    x = 41,756.61

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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.