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Finding the Fourth Proportional to 17,472.70, 24,107.06 and 15,788.70

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Solution

The fourth proportional to 17,472.70, 24,107.06 and 15,788.70 is: 21,783.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,472.70 : 24,107.06 = 15,788.70 : x
  2. Step 2: Convert to fraction form
    17,472.70/24,107.06 = 15,788.70/x
  3. Step 3: Cross multiply
    17,472.70x = 24,107.06 × 15,788.70
  4. Step 4: Simplify right side
    17,472.70x = 380,619,138.22
  5. Step 5: Solve for x
    x = 380,619,138.22/17,472.70
  6. Step 6: Final answer
    x = 21,783.65

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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.