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Finding the Fourth Proportional to 18,292.65, 25,243.65 and 10,737.64

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Solution

The fourth proportional to 18,292.65, 25,243.65 and 10,737.64 is: 14,817.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,292.65 : 25,243.65 = 10,737.64 : x
  2. Step 2: Convert to fraction form
    18,292.65/25,243.65 = 10,737.64/x
  3. Step 3: Cross multiply
    18,292.65x = 25,243.65 × 10,737.64
  4. Step 4: Simplify right side
    18,292.65x = 271,057,225.99
  5. Step 5: Solve for x
    x = 271,057,225.99/18,292.65
  6. Step 6: Final answer
    x = 14,817.82

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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.