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Finding the Fourth Proportional to 4,988.52, 7,480.08 and 2,801.52

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Solution

The fourth proportional to 4,988.52, 7,480.08 and 2,801.52 is: 4,200.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988.52 : 7,480.08 = 2,801.52 : x
  2. Step 2: Convert to fraction form
    4,988.52/7,480.08 = 2,801.52/x
  3. Step 3: Cross multiply
    4,988.52x = 7,480.08 × 2,801.52
  4. Step 4: Simplify right side
    4,988.52x = 20,955,593.72
  5. Step 5: Solve for x
    x = 20,955,593.72/4,988.52
  6. Step 6: Final answer
    x = 4,200.76

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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.