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Finding the Fourth Proportional to 52,473.60, 72,412.92 and 28,599.66

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Solution

The fourth proportional to 52,473.60, 72,412.92 and 28,599.66 is: 39,467.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,473.60 : 72,412.92 = 28,599.66 : x
  2. Step 2: Convert to fraction form
    52,473.60/72,412.92 = 28,599.66/x
  3. Step 3: Cross multiply
    52,473.60x = 72,412.92 × 28,599.66
  4. Step 4: Simplify right side
    52,473.60x = 2,070,984,891.61
  5. Step 5: Solve for x
    x = 2,070,984,891.61/52,473.60
  6. Step 6: Final answer
    x = 39,467.18

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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.