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Finding the Fourth Proportional to 27,888.62, 41,835.29 and 8,915.99

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Solution

The fourth proportional to 27,888.62, 41,835.29 and 8,915.99 is: 13,374.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,888.62 : 41,835.29 = 8,915.99 : x
  2. Step 2: Convert to fraction form
    27,888.62/41,835.29 = 8,915.99/x
  3. Step 3: Cross multiply
    27,888.62x = 41,835.29 × 8,915.99
  4. Step 4: Simplify right side
    27,888.62x = 373,002,773.53
  5. Step 5: Solve for x
    x = 373,002,773.53/27,888.62
  6. Step 6: Final answer
    x = 13,374.73

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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.