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Finding the Fourth Proportional to 17,482.38, 24,159.90 and 15,538.38

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Solution

The fourth proportional to 17,482.38, 24,159.90 and 15,538.38 is: 21,473.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,482.38 : 24,159.90 = 15,538.38 : x
  2. Step 2: Convert to fraction form
    17,482.38/24,159.90 = 15,538.38/x
  3. Step 3: Cross multiply
    17,482.38x = 24,159.90 × 15,538.38
  4. Step 4: Simplify right side
    17,482.38x = 375,405,706.96
  5. Step 5: Solve for x
    x = 375,405,706.96/17,482.38
  6. Step 6: Final answer
    x = 21,473.38

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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.