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Finding the Fourth Proportional to 15,397.14, 23,101.14 and 7,611.42

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Solution

The fourth proportional to 15,397.14, 23,101.14 and 7,611.42 is: 11,419.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,397.14 : 23,101.14 = 7,611.42 : x
  2. Step 2: Convert to fraction form
    15,397.14/23,101.14 = 7,611.42/x
  3. Step 3: Cross multiply
    15,397.14x = 23,101.14 × 7,611.42
  4. Step 4: Simplify right side
    15,397.14x = 175,832,479.02
  5. Step 5: Solve for x
    x = 175,832,479.02/15,397.14
  6. Step 6: Final answer
    x = 11,419.81

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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.