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Finding the Fourth Proportional to 4,559.65, 6,839.62 and 1,439.68

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Solution

The fourth proportional to 4,559.65, 6,839.62 and 1,439.68 is: 2,159.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,559.65 : 6,839.62 = 1,439.68 : x
  2. Step 2: Convert to fraction form
    4,559.65/6,839.62 = 1,439.68/x
  3. Step 3: Cross multiply
    4,559.65x = 6,839.62 × 1,439.68
  4. Step 4: Simplify right side
    4,559.65x = 9,846,864.12
  5. Step 5: Solve for x
    x = 9,846,864.12/4,559.65
  6. Step 6: Final answer
    x = 2,159.57

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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.