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Finding the Fourth Proportional to 37,332, 51,519.06 and 20,565

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Solution

The fourth proportional to 37,332, 51,519.06 and 20,565 is: 28,380.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,332 : 51,519.06 = 20,565 : x
  2. Step 2: Convert to fraction form
    37,332/51,519.06 = 20,565/x
  3. Step 3: Cross multiply
    37,332x = 51,519.06 × 20,565
  4. Step 4: Simplify right side
    37,332x = 1,059,489,468.90
  5. Step 5: Solve for x
    x = 1,059,489,468.90/37,332
  6. Step 6: Final answer
    x = 28,380.20

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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.