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Finding the Fourth Proportional to 4,998.66, 7,498.19 and 1,301.21

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Solution

The fourth proportional to 4,998.66, 7,498.19 and 1,301.21 is: 1,951.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,998.66 : 7,498.19 = 1,301.21 : x
  2. Step 2: Convert to fraction form
    4,998.66/7,498.19 = 1,301.21/x
  3. Step 3: Cross multiply
    4,998.66x = 7,498.19 × 1,301.21
  4. Step 4: Simplify right side
    4,998.66x = 9,756,675.81
  5. Step 5: Solve for x
    x = 9,756,675.81/4,998.66
  6. Step 6: Final answer
    x = 1,951.86

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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.