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Finding the Fourth Proportional to 4,999.56, 7,498.03 and 1,488.62

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Solution

The fourth proportional to 4,999.56, 7,498.03 and 1,488.62 is: 2,232.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,999.56 : 7,498.03 = 1,488.62 : x
  2. Step 2: Convert to fraction form
    4,999.56/7,498.03 = 1,488.62/x
  3. Step 3: Cross multiply
    4,999.56x = 7,498.03 × 1,488.62
  4. Step 4: Simplify right side
    4,999.56x = 11,161,717.42
  5. Step 5: Solve for x
    x = 11,161,717.42/4,999.56
  6. Step 6: Final answer
    x = 2,232.54

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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.