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Finding the Fourth Proportional to 80,411.81, 110,962.86 and 44,600.45

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Solution

The fourth proportional to 80,411.81, 110,962.86 and 44,600.45 is: 61,545.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,411.81 : 110,962.86 = 44,600.45 : x
  2. Step 2: Convert to fraction form
    80,411.81/110,962.86 = 44,600.45/x
  3. Step 3: Cross multiply
    80,411.81x = 110,962.86 × 44,600.45
  4. Step 4: Simplify right side
    80,411.81x = 4,948,993,489.29
  5. Step 5: Solve for x
    x = 4,948,993,489.29/80,411.81
  6. Step 6: Final answer
    x = 61,545.60

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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.