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Finding the Fourth Proportional to 52,609.47, 72,599.88 and 28,736.22

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Solution

The fourth proportional to 52,609.47, 72,599.88 and 28,736.22 is: 39,655.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,609.47 : 72,599.88 = 28,736.22 : x
  2. Step 2: Convert to fraction form
    52,609.47/72,599.88 = 28,736.22/x
  3. Step 3: Cross multiply
    52,609.47x = 72,599.88 × 28,736.22
  4. Step 4: Simplify right side
    52,609.47x = 2,086,246,123.65
  5. Step 5: Solve for x
    x = 2,086,246,123.65/52,609.47
  6. Step 6: Final answer
    x = 39,655.33

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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.