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Finding the Fourth Proportional to 91,335.62, 126,042.62 and 51,049.32

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Solution

The fourth proportional to 91,335.62, 126,042.62 and 51,049.32 is: 70,447.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,335.62 : 126,042.62 = 51,049.32 : x
  2. Step 2: Convert to fraction form
    91,335.62/126,042.62 = 51,049.32/x
  3. Step 3: Cross multiply
    91,335.62x = 126,042.62 × 51,049.32
  4. Step 4: Simplify right side
    91,335.62x = 6,434,390,042.02
  5. Step 5: Solve for x
    x = 6,434,390,042.02/91,335.62
  6. Step 6: Final answer
    x = 70,447.76

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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.