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Finding the Fourth Proportional to 17,372.37, 23,972.70 and 9,819.12

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Solution

The fourth proportional to 17,372.37, 23,972.70 and 9,819.12 is: 13,549.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,372.37 : 23,972.70 = 9,819.12 : x
  2. Step 2: Convert to fraction form
    17,372.37/23,972.70 = 9,819.12/x
  3. Step 3: Cross multiply
    17,372.37x = 23,972.70 × 9,819.12
  4. Step 4: Simplify right side
    17,372.37x = 235,390,818.02
  5. Step 5: Solve for x
    x = 235,390,818.02/17,372.37
  6. Step 6: Final answer
    x = 13,549.72

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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.