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Finding the Fourth Proportional to 58,384.60, 80,566.11 and 38,209.52

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Solution

The fourth proportional to 58,384.60, 80,566.11 and 38,209.52 is: 52,726.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,384.60 : 80,566.11 = 38,209.52 : x
  2. Step 2: Convert to fraction form
    58,384.60/80,566.11 = 38,209.52/x
  3. Step 3: Cross multiply
    58,384.60x = 80,566.11 × 38,209.52
  4. Step 4: Simplify right side
    58,384.60x = 3,078,392,592.78
  5. Step 5: Solve for x
    x = 3,078,392,592.78/58,384.60
  6. Step 6: Final answer
    x = 52,726.11

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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.