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Finding the Fourth Proportional to 9,763.44, 14,645.28 and 2,839.68

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Solution

The fourth proportional to 9,763.44, 14,645.28 and 2,839.68 is: 4,259.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,763.44 : 14,645.28 = 2,839.68 : x
  2. Step 2: Convert to fraction form
    9,763.44/14,645.28 = 2,839.68/x
  3. Step 3: Cross multiply
    9,763.44x = 14,645.28 × 2,839.68
  4. Step 4: Simplify right side
    9,763.44x = 41,587,908.71
  5. Step 5: Solve for x
    x = 41,587,908.71/9,763.44
  6. Step 6: Final answer
    x = 4,259.55

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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.