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Finding the Fourth Proportional to 29,002.76, 40,043.08 and 22,276.34

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Solution

The fourth proportional to 29,002.76, 40,043.08 and 22,276.34 is: 30,756.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,002.76 : 40,043.08 = 22,276.34 : x
  2. Step 2: Convert to fraction form
    29,002.76/40,043.08 = 22,276.34/x
  3. Step 3: Cross multiply
    29,002.76x = 40,043.08 × 22,276.34
  4. Step 4: Simplify right side
    29,002.76x = 892,013,264.73
  5. Step 5: Solve for x
    x = 892,013,264.73/29,002.76
  6. Step 6: Final answer
    x = 30,756.15

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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.