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Finding the Fourth Proportional to 2,532.48, 3,799.20 and 993.60

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Solution

The fourth proportional to 2,532.48, 3,799.20 and 993.60 is: 1,490.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,532.48 : 3,799.20 = 993.60 : x
  2. Step 2: Convert to fraction form
    2,532.48/3,799.20 = 993.60/x
  3. Step 3: Cross multiply
    2,532.48x = 3,799.20 × 993.60
  4. Step 4: Simplify right side
    2,532.48x = 3,774,885.12
  5. Step 5: Solve for x
    x = 3,774,885.12/2,532.48
  6. Step 6: Final answer
    x = 1,490.59

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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.