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Finding the Fourth Proportional to 5,698.80, 8,543.04 and 2,235.12

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Solution

The fourth proportional to 5,698.80, 8,543.04 and 2,235.12 is: 3,350.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,698.80 : 8,543.04 = 2,235.12 : x
  2. Step 2: Convert to fraction form
    5,698.80/8,543.04 = 2,235.12/x
  3. Step 3: Cross multiply
    5,698.80x = 8,543.04 × 2,235.12
  4. Step 4: Simplify right side
    5,698.80x = 19,094,719.56
  5. Step 5: Solve for x
    x = 19,094,719.56/5,698.80
  6. Step 6: Final answer
    x = 3,350.66

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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.