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Finding the Fourth Proportional to 18,475.61, 25,497.11 and 10,092.65

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Solution

The fourth proportional to 18,475.61, 25,497.11 and 10,092.65 is: 13,928.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,475.61 : 25,497.11 = 10,092.65 : x
  2. Step 2: Convert to fraction form
    18,475.61/25,497.11 = 10,092.65/x
  3. Step 3: Cross multiply
    18,475.61x = 25,497.11 × 10,092.65
  4. Step 4: Simplify right side
    18,475.61x = 257,333,304.99
  5. Step 5: Solve for x
    x = 257,333,304.99/18,475.61
  6. Step 6: Final answer
    x = 13,928.27

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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.