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Finding the Fourth Proportional to 6,437.55, 8,879.24 and 5,908.14

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Solution

The fourth proportional to 6,437.55, 8,879.24 and 5,908.14 is: 8,149.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,437.55 : 8,879.24 = 5,908.14 : x
  2. Step 2: Convert to fraction form
    6,437.55/8,879.24 = 5,908.14/x
  3. Step 3: Cross multiply
    6,437.55x = 8,879.24 × 5,908.14
  4. Step 4: Simplify right side
    6,437.55x = 52,459,763.47
  5. Step 5: Solve for x
    x = 52,459,763.47/6,437.55
  6. Step 6: Final answer
    x = 8,149.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.