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Finding the Fourth Proportional to 4,980.99, 7,472.02 and 1,862.49

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Solution

The fourth proportional to 4,980.99, 7,472.02 and 1,862.49 is: 2,793.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,980.99 : 7,472.02 = 1,862.49 : x
  2. Step 2: Convert to fraction form
    4,980.99/7,472.02 = 1,862.49/x
  3. Step 3: Cross multiply
    4,980.99x = 7,472.02 × 1,862.49
  4. Step 4: Simplify right side
    4,980.99x = 13,916,562.53
  5. Step 5: Solve for x
    x = 13,916,562.53/4,980.99
  6. Step 6: Final answer
    x = 2,793.94

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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.