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Finding the Fourth Proportional to 8,876.93, 12,247.13 and 5,048.18

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Solution

The fourth proportional to 8,876.93, 12,247.13 and 5,048.18 is: 6,964.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,876.93 : 12,247.13 = 5,048.18 : x
  2. Step 2: Convert to fraction form
    8,876.93/12,247.13 = 5,048.18/x
  3. Step 3: Cross multiply
    8,876.93x = 12,247.13 × 5,048.18
  4. Step 4: Simplify right side
    8,876.93x = 61,825,722.10
  5. Step 5: Solve for x
    x = 61,825,722.10/8,876.93
  6. Step 6: Final answer
    x = 6,964.77

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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.