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Finding the Fourth Proportional to 4,979.49, 7,452.83 and 4,432.74

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Solution

The fourth proportional to 4,979.49, 7,452.83 and 4,432.74 is: 6,634.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,979.49 : 7,452.83 = 4,432.74 : x
  2. Step 2: Convert to fraction form
    4,979.49/7,452.83 = 4,432.74/x
  3. Step 3: Cross multiply
    4,979.49x = 7,452.83 × 4,432.74
  4. Step 4: Simplify right side
    4,979.49x = 33,036,457.65
  5. Step 5: Solve for x
    x = 33,036,457.65/4,979.49
  6. Step 6: Final answer
    x = 6,634.51

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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.