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Finding the Fourth Proportional to 10,234.96, 15,372.96 and 9,898.72

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Solution

The fourth proportional to 10,234.96, 15,372.96 and 9,898.72 is: 14,867.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,234.96 : 15,372.96 = 9,898.72 : x
  2. Step 2: Convert to fraction form
    10,234.96/15,372.96 = 9,898.72/x
  3. Step 3: Cross multiply
    10,234.96x = 15,372.96 × 9,898.72
  4. Step 4: Simplify right side
    10,234.96x = 152,172,626.61
  5. Step 5: Solve for x
    x = 152,172,626.61/10,234.96
  6. Step 6: Final answer
    x = 14,867.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.