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Finding the Fourth Proportional to 4,992.30, 7,489.56 and 1,482.58

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Solution

The fourth proportional to 4,992.30, 7,489.56 and 1,482.58 is: 2,224.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,992.30 : 7,489.56 = 1,482.58 : x
  2. Step 2: Convert to fraction form
    4,992.30/7,489.56 = 1,482.58/x
  3. Step 3: Cross multiply
    4,992.30x = 7,489.56 × 1,482.58
  4. Step 4: Simplify right side
    4,992.30x = 11,103,871.86
  5. Step 5: Solve for x
    x = 11,103,871.86/4,992.30
  6. Step 6: Final answer
    x = 2,224.20

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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.