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Finding the Fourth Proportional to 17,251.92, 25,903.80 and 9,864.72

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Solution

The fourth proportional to 17,251.92, 25,903.80 and 9,864.72 is: 14,811.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,251.92 : 25,903.80 = 9,864.72 : x
  2. Step 2: Convert to fraction form
    17,251.92/25,903.80 = 9,864.72/x
  3. Step 3: Cross multiply
    17,251.92x = 25,903.80 × 9,864.72
  4. Step 4: Simplify right side
    17,251.92x = 255,533,733.94
  5. Step 5: Solve for x
    x = 255,533,733.94/17,251.92
  6. Step 6: Final answer
    x = 14,811.90

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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.