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Finding the Fourth Proportional to 29,002.50, 40,042.76 and 22,276.13

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Solution

The fourth proportional to 29,002.50, 40,042.76 and 22,276.13 is: 30,755.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,002.50 : 40,042.76 = 22,276.13 : x
  2. Step 2: Convert to fraction form
    29,002.50/40,042.76 = 22,276.13/x
  3. Step 3: Cross multiply
    29,002.50x = 40,042.76 × 22,276.13
  4. Step 4: Simplify right side
    29,002.50x = 891,997,415.72
  5. Step 5: Solve for x
    x = 891,997,415.72/29,002.50
  6. Step 6: Final answer
    x = 30,755.88

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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.