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Finding the Fourth Proportional to 67,342.32, 101,013.48 and 20,594.79

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Solution

The fourth proportional to 67,342.32, 101,013.48 and 20,594.79 is: 30,892.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,342.32 : 101,013.48 = 20,594.79 : x
  2. Step 2: Convert to fraction form
    67,342.32/101,013.48 = 20,594.79/x
  3. Step 3: Cross multiply
    67,342.32x = 101,013.48 × 20,594.79
  4. Step 4: Simplify right side
    67,342.32x = 2,080,351,407.77
  5. Step 5: Solve for x
    x = 2,080,351,407.77/67,342.32
  6. Step 6: Final answer
    x = 30,892.19

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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.