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Finding the Fourth Proportional to 38,710.20, 58,022.10 and 22,078.20

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Solution

The fourth proportional to 38,710.20, 58,022.10 and 22,078.20 is: 33,092.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,710.20 : 58,022.10 = 22,078.20 : x
  2. Step 2: Convert to fraction form
    38,710.20/58,022.10 = 22,078.20/x
  3. Step 3: Cross multiply
    38,710.20x = 58,022.10 × 22,078.20
  4. Step 4: Simplify right side
    38,710.20x = 1,281,023,528.22
  5. Step 5: Solve for x
    x = 1,281,023,528.22/38,710.20
  6. Step 6: Final answer
    x = 33,092.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.