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Finding the Fourth Proportional to 91,807.92, 126,695.61 and 51,522.57

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Solution

The fourth proportional to 91,807.92, 126,695.61 and 51,522.57 is: 71,101.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,807.92 : 126,695.61 = 51,522.57 : x
  2. Step 2: Convert to fraction form
    91,807.92/126,695.61 = 51,522.57/x
  3. Step 3: Cross multiply
    91,807.92x = 126,695.61 × 51,522.57
  4. Step 4: Simplify right side
    91,807.92x = 6,527,683,434.92
  5. Step 5: Solve for x
    x = 6,527,683,434.92/91,807.92
  6. Step 6: Final answer
    x = 71,101.53

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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.