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Finding the Fourth Proportional to 91,752.66, 126,617.92 and 51,466.30

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Solution

The fourth proportional to 91,752.66, 126,617.92 and 51,466.30 is: 71,023.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,752.66 : 126,617.92 = 51,466.30 : x
  2. Step 2: Convert to fraction form
    91,752.66/126,617.92 = 51,466.30/x
  3. Step 3: Cross multiply
    91,752.66x = 126,617.92 × 51,466.30
  4. Step 4: Simplify right side
    91,752.66x = 6,516,555,856.10
  5. Step 5: Solve for x
    x = 6,516,555,856.10/91,752.66
  6. Step 6: Final answer
    x = 71,023.07

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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.