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Finding the Fourth Proportional to 29,002.52, 40,042.74 and 22,276.12

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Solution

The fourth proportional to 29,002.52, 40,042.74 and 22,276.12 is: 30,755.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,002.52 : 40,042.74 = 22,276.12 : x
  2. Step 2: Convert to fraction form
    29,002.52/40,042.74 = 22,276.12/x
  3. Step 3: Cross multiply
    29,002.52x = 40,042.74 × 22,276.12
  4. Step 4: Simplify right side
    29,002.52x = 891,996,881.37
  5. Step 5: Solve for x
    x = 891,996,881.37/29,002.52
  6. Step 6: Final answer
    x = 30,755.84

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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.