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Finding the Fourth Proportional to 8,818.03, 12,169.32 and 4,839.11

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Solution

The fourth proportional to 8,818.03, 12,169.32 and 4,839.11 is: 6,678.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,818.03 : 12,169.32 = 4,839.11 : x
  2. Step 2: Convert to fraction form
    8,818.03/12,169.32 = 4,839.11/x
  3. Step 3: Cross multiply
    8,818.03x = 12,169.32 × 4,839.11
  4. Step 4: Simplify right side
    8,818.03x = 58,888,605.16
  5. Step 5: Solve for x
    x = 58,888,605.16/8,818.03
  6. Step 6: Final answer
    x = 6,678.21

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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.