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Finding the Fourth Proportional to 29,047.21, 40,098.42 and 22,330.48

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Solution

The fourth proportional to 29,047.21, 40,098.42 and 22,330.48 is: 30,826.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,047.21 : 40,098.42 = 22,330.48 : x
  2. Step 2: Convert to fraction form
    29,047.21/40,098.42 = 22,330.48/x
  3. Step 3: Cross multiply
    29,047.21x = 40,098.42 × 22,330.48
  4. Step 4: Simplify right side
    29,047.21x = 895,416,965.84
  5. Step 5: Solve for x
    x = 895,416,965.84/29,047.21
  6. Step 6: Final answer
    x = 30,826.26

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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.