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Finding the Fourth Proportional to 10,641.39, 15,962.07 and 2,849.99

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Solution

The fourth proportional to 10,641.39, 15,962.07 and 2,849.99 is: 4,274.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,641.39 : 15,962.07 = 2,849.99 : x
  2. Step 2: Convert to fraction form
    10,641.39/15,962.07 = 2,849.99/x
  3. Step 3: Cross multiply
    10,641.39x = 15,962.07 × 2,849.99
  4. Step 4: Simplify right side
    10,641.39x = 45,491,652.94
  5. Step 5: Solve for x
    x = 45,491,652.94/10,641.39
  6. Step 6: Final answer
    x = 4,274.97

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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.