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Finding the Fourth Proportional to 9,306.81, 13,959.95 and 2,733.12

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Solution

The fourth proportional to 9,306.81, 13,959.95 and 2,733.12 is: 4,099.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,306.81 : 13,959.95 = 2,733.12 : x
  2. Step 2: Convert to fraction form
    9,306.81/13,959.95 = 2,733.12/x
  3. Step 3: Cross multiply
    9,306.81x = 13,959.95 × 2,733.12
  4. Step 4: Simplify right side
    9,306.81x = 38,154,204.88
  5. Step 5: Solve for x
    x = 38,154,204.88/9,306.81
  6. Step 6: Final answer
    x = 4,099.60

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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.