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Finding the Fourth Proportional to 17,472.87, 24,146.82 and 15,528.87

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Solution

The fourth proportional to 17,472.87, 24,146.82 and 15,528.87 is: 21,460.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,472.87 : 24,146.82 = 15,528.87 : x
  2. Step 2: Convert to fraction form
    17,472.87/24,146.82 = 15,528.87/x
  3. Step 3: Cross multiply
    17,472.87x = 24,146.82 × 15,528.87
  4. Step 4: Simplify right side
    17,472.87x = 374,972,828.69
  5. Step 5: Solve for x
    x = 374,972,828.69/17,472.87
  6. Step 6: Final answer
    x = 21,460.29

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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.