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Finding the Fourth Proportional to 8,754.93, 12,081.92 and 4,776.12

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Solution

The fourth proportional to 8,754.93, 12,081.92 and 4,776.12 is: 6,591.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,754.93 : 12,081.92 = 4,776.12 : x
  2. Step 2: Convert to fraction form
    8,754.93/12,081.92 = 4,776.12/x
  3. Step 3: Cross multiply
    8,754.93x = 12,081.92 × 4,776.12
  4. Step 4: Simplify right side
    8,754.93x = 57,704,675.87
  5. Step 5: Solve for x
    x = 57,704,675.87/8,754.93
  6. Step 6: Final answer
    x = 6,591.11

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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.