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Finding the Fourth Proportional to 5,695.12, 8,543.22 and 1,800.10

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Solution

The fourth proportional to 5,695.12, 8,543.22 and 1,800.10 is: 2,700.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,695.12 : 8,543.22 = 1,800.10 : x
  2. Step 2: Convert to fraction form
    5,695.12/8,543.22 = 1,800.10/x
  3. Step 3: Cross multiply
    5,695.12x = 8,543.22 × 1,800.10
  4. Step 4: Simplify right side
    5,695.12x = 15,378,650.32
  5. Step 5: Solve for x
    x = 15,378,650.32/5,695.12
  6. Step 6: Final answer
    x = 2,700.32

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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.