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Finding the Fourth Proportional to 17,861.92, 24,648.64 and 9,904.16

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Solution

The fourth proportional to 17,861.92, 24,648.64 and 9,904.16 is: 13,667.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,861.92 : 24,648.64 = 9,904.16 : x
  2. Step 2: Convert to fraction form
    17,861.92/24,648.64 = 9,904.16/x
  3. Step 3: Cross multiply
    17,861.92x = 24,648.64 × 9,904.16
  4. Step 4: Simplify right side
    17,861.92x = 244,124,074.34
  5. Step 5: Solve for x
    x = 244,124,074.34/17,861.92
  6. Step 6: Final answer
    x = 13,667.29

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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.