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Finding the Fourth Proportional to 5,879.14, 8,820.12 and 1,719.22

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Solution

The fourth proportional to 5,879.14, 8,820.12 and 1,719.22 is: 2,579.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,879.14 : 8,820.12 = 1,719.22 : x
  2. Step 2: Convert to fraction form
    5,879.14/8,820.12 = 1,719.22/x
  3. Step 3: Cross multiply
    5,879.14x = 8,820.12 × 1,719.22
  4. Step 4: Simplify right side
    5,879.14x = 15,163,726.71
  5. Step 5: Solve for x
    x = 15,163,726.71/5,879.14
  6. Step 6: Final answer
    x = 2,579.24

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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.