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Finding the Fourth Proportional to 32,162.40, 44,388.54 and 18,737.87

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Solution

The fourth proportional to 32,162.40, 44,388.54 and 18,737.87 is: 25,860.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,162.40 : 44,388.54 = 18,737.87 : x
  2. Step 2: Convert to fraction form
    32,162.40/44,388.54 = 18,737.87/x
  3. Step 3: Cross multiply
    32,162.40x = 44,388.54 × 18,737.87
  4. Step 4: Simplify right side
    32,162.40x = 831,746,470.07
  5. Step 5: Solve for x
    x = 831,746,470.07/32,162.40
  6. Step 6: Final answer
    x = 25,860.83

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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.