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Finding the Fourth Proportional to 6,475.19, 8,932.25 and 5,349.47

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Solution

The fourth proportional to 6,475.19, 8,932.25 and 5,349.47 is: 7,379.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,475.19 : 8,932.25 = 5,349.47 : x
  2. Step 2: Convert to fraction form
    6,475.19/8,932.25 = 5,349.47/x
  3. Step 3: Cross multiply
    6,475.19x = 8,932.25 × 5,349.47
  4. Step 4: Simplify right side
    6,475.19x = 47,782,772.12
  5. Step 5: Solve for x
    x = 47,782,772.12/6,475.19
  6. Step 6: Final answer
    x = 7,379.37

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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.