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Finding the Fourth Proportional to 8,002.80, 11,043.18 and 4,816.62

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Solution

The fourth proportional to 8,002.80, 11,043.18 and 4,816.62 is: 6,646.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,002.80 : 11,043.18 = 4,816.62 : x
  2. Step 2: Convert to fraction form
    8,002.80/11,043.18 = 4,816.62/x
  3. Step 3: Cross multiply
    8,002.80x = 11,043.18 × 4,816.62
  4. Step 4: Simplify right side
    8,002.80x = 53,190,801.65
  5. Step 5: Solve for x
    x = 53,190,801.65/8,002.80
  6. Step 6: Final answer
    x = 6,646.52

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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.