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Finding the Fourth Proportional to 5,560.88, 8,341.16 and 1,400.88

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Solution

The fourth proportional to 5,560.88, 8,341.16 and 1,400.88 is: 2,101.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,560.88 : 8,341.16 = 1,400.88 : x
  2. Step 2: Convert to fraction form
    5,560.88/8,341.16 = 1,400.88/x
  3. Step 3: Cross multiply
    5,560.88x = 8,341.16 × 1,400.88
  4. Step 4: Simplify right side
    5,560.88x = 11,684,964.22
  5. Step 5: Solve for x
    x = 11,684,964.22/5,560.88
  6. Step 6: Final answer
    x = 2,101.28

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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.