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Finding the Fourth Proportional to 6,472.74, 8,932.38 and 3,678.24

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Solution

The fourth proportional to 6,472.74, 8,932.38 and 3,678.24 is: 5,075.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,472.74 : 8,932.38 = 3,678.24 : x
  2. Step 2: Convert to fraction form
    6,472.74/8,932.38 = 3,678.24/x
  3. Step 3: Cross multiply
    6,472.74x = 8,932.38 × 3,678.24
  4. Step 4: Simplify right side
    6,472.74x = 32,855,437.41
  5. Step 5: Solve for x
    x = 32,855,437.41/6,472.74
  6. Step 6: Final answer
    x = 5,075.97

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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.