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Finding the Fourth Proportional to 6,315.67, 9,473.90 and 2,618.19

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Solution

The fourth proportional to 6,315.67, 9,473.90 and 2,618.19 is: 3,927.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,315.67 : 9,473.90 = 2,618.19 : x
  2. Step 2: Convert to fraction form
    6,315.67/9,473.90 = 2,618.19/x
  3. Step 3: Cross multiply
    6,315.67x = 9,473.90 × 2,618.19
  4. Step 4: Simplify right side
    6,315.67x = 24,804,470.24
  5. Step 5: Solve for x
    x = 24,804,470.24/6,315.67
  6. Step 6: Final answer
    x = 3,927.45

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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.