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Finding the Fourth Proportional to 9,236.71, 13,856.28 and 3,397.42

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Solution

The fourth proportional to 9,236.71, 13,856.28 and 3,397.42 is: 5,096.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,236.71 : 13,856.28 = 3,397.42 : x
  2. Step 2: Convert to fraction form
    9,236.71/13,856.28 = 3,397.42/x
  3. Step 3: Cross multiply
    9,236.71x = 13,856.28 × 3,397.42
  4. Step 4: Simplify right side
    9,236.71x = 47,075,602.80
  5. Step 5: Solve for x
    x = 47,075,602.80/9,236.71
  6. Step 6: Final answer
    x = 5,096.58

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Similar ratio
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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.