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Finding the Fourth Proportional to 60,550.95, 83,472.76 and 40,098.70

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Solution

The fourth proportional to 60,550.95, 83,472.76 and 40,098.70 is: 55,278.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,550.95 : 83,472.76 = 40,098.70 : x
  2. Step 2: Convert to fraction form
    60,550.95/83,472.76 = 40,098.70/x
  3. Step 3: Cross multiply
    60,550.95x = 83,472.76 × 40,098.70
  4. Step 4: Simplify right side
    60,550.95x = 3,347,148,852.48
  5. Step 5: Solve for x
    x = 3,347,148,852.48/60,550.95
  6. Step 6: Final answer
    x = 55,278.22

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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.