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Finding the Fourth Proportional to 5,182.98, 7,775.98 and 1,673.53

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Solution

The fourth proportional to 5,182.98, 7,775.98 and 1,673.53 is: 2,510.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,182.98 : 7,775.98 = 1,673.53 : x
  2. Step 2: Convert to fraction form
    5,182.98/7,775.98 = 1,673.53/x
  3. Step 3: Cross multiply
    5,182.98x = 7,775.98 × 1,673.53
  4. Step 4: Simplify right side
    5,182.98x = 13,013,296.93
  5. Step 5: Solve for x
    x = 13,013,296.93/5,182.98
  6. Step 6: Final answer
    x = 2,510.78

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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.