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Finding the Fourth Proportional to 8,251.02, 12,345.08 and 7,255.94

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Solution

The fourth proportional to 8,251.02, 12,345.08 and 7,255.94 is: 10,856.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,251.02 : 12,345.08 = 7,255.94 : x
  2. Step 2: Convert to fraction form
    8,251.02/12,345.08 = 7,255.94/x
  3. Step 3: Cross multiply
    8,251.02x = 12,345.08 × 7,255.94
  4. Step 4: Simplify right side
    8,251.02x = 89,575,061.77
  5. Step 5: Solve for x
    x = 89,575,061.77/8,251.02
  6. Step 6: Final answer
    x = 10,856.24

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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.