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Finding the Fourth Proportional to 23,497.80, 35,246.46 and 7,915.32

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Solution

The fourth proportional to 23,497.80, 35,246.46 and 7,915.32 is: 11,872.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,497.80 : 35,246.46 = 7,915.32 : x
  2. Step 2: Convert to fraction form
    23,497.80/35,246.46 = 7,915.32/x
  3. Step 3: Cross multiply
    23,497.80x = 35,246.46 × 7,915.32
  4. Step 4: Simplify right side
    23,497.80x = 278,987,009.77
  5. Step 5: Solve for x
    x = 278,987,009.77/23,497.80
  6. Step 6: Final answer
    x = 11,872.90

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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.