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Finding the Fourth Proportional to 5,250.68, 7,879.68 and 2,477.48

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Solution

The fourth proportional to 5,250.68, 7,879.68 and 2,477.48 is: 3,717.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,250.68 : 7,879.68 = 2,477.48 : x
  2. Step 2: Convert to fraction form
    5,250.68/7,879.68 = 2,477.48/x
  3. Step 3: Cross multiply
    5,250.68x = 7,879.68 × 2,477.48
  4. Step 4: Simplify right side
    5,250.68x = 19,521,749.61
  5. Step 5: Solve for x
    x = 19,521,749.61/5,250.68
  6. Step 6: Final answer
    x = 3,717.95

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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.