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Finding the Fourth Proportional to 18,802.87, 25,948.68 and 10,737.84

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Solution

The fourth proportional to 18,802.87, 25,948.68 and 10,737.84 is: 14,818.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,802.87 : 25,948.68 = 10,737.84 : x
  2. Step 2: Convert to fraction form
    18,802.87/25,948.68 = 10,737.84/x
  3. Step 3: Cross multiply
    18,802.87x = 25,948.68 × 10,737.84
  4. Step 4: Simplify right side
    18,802.87x = 278,632,685.13
  5. Step 5: Solve for x
    x = 278,632,685.13/18,802.87
  6. Step 6: Final answer
    x = 14,818.63

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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.