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Finding the Fourth Proportional to 15,851.60, 23,787.12 and 7,093.92

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Solution

The fourth proportional to 15,851.60, 23,787.12 and 7,093.92 is: 10,645.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,851.60 : 23,787.12 = 7,093.92 : x
  2. Step 2: Convert to fraction form
    15,851.60/23,787.12 = 7,093.92/x
  3. Step 3: Cross multiply
    15,851.60x = 23,787.12 × 7,093.92
  4. Step 4: Simplify right side
    15,851.60x = 168,743,926.31
  5. Step 5: Solve for x
    x = 168,743,926.31/15,851.60
  6. Step 6: Final answer
    x = 10,645.23

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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.