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Finding the Fourth Proportional to 5,553.54, 8,330.29 and 1,854.92

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Solution

The fourth proportional to 5,553.54, 8,330.29 and 1,854.92 is: 2,782.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,553.54 : 8,330.29 = 1,854.92 : x
  2. Step 2: Convert to fraction form
    5,553.54/8,330.29 = 1,854.92/x
  3. Step 3: Cross multiply
    5,553.54x = 8,330.29 × 1,854.92
  4. Step 4: Simplify right side
    5,553.54x = 15,452,021.53
  5. Step 5: Solve for x
    x = 15,452,021.53/5,553.54
  6. Step 6: Final answer
    x = 2,782.37

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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.