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Finding the Fourth Proportional to 27,915.40, 41,859.90 and 16,232.20

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Solution

The fourth proportional to 27,915.40, 41,859.90 and 16,232.20 is: 24,340.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,915.40 : 41,859.90 = 16,232.20 : x
  2. Step 2: Convert to fraction form
    27,915.40/41,859.90 = 16,232.20/x
  3. Step 3: Cross multiply
    27,915.40x = 41,859.90 × 16,232.20
  4. Step 4: Simplify right side
    27,915.40x = 679,478,268.78
  5. Step 5: Solve for x
    x = 679,478,268.78/27,915.40
  6. Step 6: Final answer
    x = 24,340.62

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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.