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Finding the Fourth Proportional to 10,641.39, 15,968.97 and 4,797.65

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Solution

The fourth proportional to 10,641.39, 15,968.97 and 4,797.65 is: 7,199.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,641.39 : 15,968.97 = 4,797.65 : x
  2. Step 2: Convert to fraction form
    10,641.39/15,968.97 = 4,797.65/x
  3. Step 3: Cross multiply
    10,641.39x = 15,968.97 × 4,797.65
  4. Step 4: Simplify right side
    10,641.39x = 76,613,449.08
  5. Step 5: Solve for x
    x = 76,613,449.08/10,641.39
  6. Step 6: Final answer
    x = 7,199.57

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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.