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Finding the Fourth Proportional to 40,242.34, 60,422.74 and 22,507.74

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Solution

The fourth proportional to 40,242.34, 60,422.74 and 22,507.74 is: 33,794.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,242.34 : 60,422.74 = 22,507.74 : x
  2. Step 2: Convert to fraction form
    40,242.34/60,422.74 = 22,507.74/x
  3. Step 3: Cross multiply
    40,242.34x = 60,422.74 × 22,507.74
  4. Step 4: Simplify right side
    40,242.34x = 1,359,979,392.34
  5. Step 5: Solve for x
    x = 1,359,979,392.34/40,242.34
  6. Step 6: Final answer
    x = 33,794.74

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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.