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Finding the Fourth Proportional to 60,370.66, 90,471.48 and 51,439.42

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Solution

The fourth proportional to 60,370.66, 90,471.48 and 51,439.42 is: 77,087.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,370.66 : 90,471.48 = 51,439.42 : x
  2. Step 2: Convert to fraction form
    60,370.66/90,471.48 = 51,439.42/x
  3. Step 3: Cross multiply
    60,370.66x = 90,471.48 × 51,439.42
  4. Step 4: Simplify right side
    60,370.66x = 4,653,800,457.74
  5. Step 5: Solve for x
    x = 4,653,800,457.74/60,370.66
  6. Step 6: Final answer
    x = 77,087.12

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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.