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Finding the Fourth Proportional to 4,799.88, 7,200.23 and 1,337.13

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Solution

The fourth proportional to 4,799.88, 7,200.23 and 1,337.13 is: 2,005.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,799.88 : 7,200.23 = 1,337.13 : x
  2. Step 2: Convert to fraction form
    4,799.88/7,200.23 = 1,337.13/x
  3. Step 3: Cross multiply
    4,799.88x = 7,200.23 × 1,337.13
  4. Step 4: Simplify right side
    4,799.88x = 9,627,643.54
  5. Step 5: Solve for x
    x = 9,627,643.54/4,799.88
  6. Step 6: Final answer
    x = 2,005.81

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1.5x scale

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.