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Finding the Fourth Proportional to 40,871.50, 60,949.58 and 40,497.81

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Solution

The fourth proportional to 40,871.50, 60,949.58 and 40,497.81 is: 60,392.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,871.50 : 60,949.58 = 40,497.81 : x
  2. Step 2: Convert to fraction form
    40,871.50/60,949.58 = 40,497.81/x
  3. Step 3: Cross multiply
    40,871.50x = 60,949.58 × 40,497.81
  4. Step 4: Simplify right side
    40,871.50x = 2,468,324,510.42
  5. Step 5: Solve for x
    x = 2,468,324,510.42/40,871.50
  6. Step 6: Final answer
    x = 60,392.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.