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Finding the Fourth Proportional to 5,800.80, 8,005.16 and 3,148.23

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Solution

The fourth proportional to 5,800.80, 8,005.16 and 3,148.23 is: 4,344.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,800.80 : 8,005.16 = 3,148.23 : x
  2. Step 2: Convert to fraction form
    5,800.80/8,005.16 = 3,148.23/x
  3. Step 3: Cross multiply
    5,800.80x = 8,005.16 × 3,148.23
  4. Step 4: Simplify right side
    5,800.80x = 25,202,084.87
  5. Step 5: Solve for x
    x = 25,202,084.87/5,800.80
  6. Step 6: Final answer
    x = 4,344.59

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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.