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Finding the Fourth Proportional to 8,718.77, 12,023.07 and 7,463.98

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Solution

The fourth proportional to 8,718.77, 12,023.07 and 7,463.98 is: 10,292.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,718.77 : 12,023.07 = 7,463.98 : x
  2. Step 2: Convert to fraction form
    8,718.77/12,023.07 = 7,463.98/x
  3. Step 3: Cross multiply
    8,718.77x = 12,023.07 × 7,463.98
  4. Step 4: Simplify right side
    8,718.77x = 89,739,856.58
  5. Step 5: Solve for x
    x = 89,739,856.58/8,718.77
  6. Step 6: Final answer
    x = 10,292.73

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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.