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Finding the Fourth Proportional to 8,839.16, 13,246.64 and 4,884.52

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Solution

The fourth proportional to 8,839.16, 13,246.64 and 4,884.52 is: 7,320.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,839.16 : 13,246.64 = 4,884.52 : x
  2. Step 2: Convert to fraction form
    8,839.16/13,246.64 = 4,884.52/x
  3. Step 3: Cross multiply
    8,839.16x = 13,246.64 × 4,884.52
  4. Step 4: Simplify right side
    8,839.16x = 64,703,478.01
  5. Step 5: Solve for x
    x = 64,703,478.01/8,839.16
  6. Step 6: Final answer
    x = 7,320.09

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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.