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Finding the Fourth Proportional to 15,915.99, 23,872.97 and 4,823.04

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Solution

The fourth proportional to 15,915.99, 23,872.97 and 4,823.04 is: 7,234.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,915.99 : 23,872.97 = 4,823.04 : x
  2. Step 2: Convert to fraction form
    15,915.99/23,872.97 = 4,823.04/x
  3. Step 3: Cross multiply
    15,915.99x = 23,872.97 × 4,823.04
  4. Step 4: Simplify right side
    15,915.99x = 115,140,265.11
  5. Step 5: Solve for x
    x = 115,140,265.11/15,915.99
  6. Step 6: Final answer
    x = 7,234.25

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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.