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Finding the Fourth Proportional to 4,610.88, 6,915.60 and 2,144.88

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Solution

The fourth proportional to 4,610.88, 6,915.60 and 2,144.88 is: 3,216.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,610.88 : 6,915.60 = 2,144.88 : x
  2. Step 2: Convert to fraction form
    4,610.88/6,915.60 = 2,144.88/x
  3. Step 3: Cross multiply
    4,610.88x = 6,915.60 × 2,144.88
  4. Step 4: Simplify right side
    4,610.88x = 14,833,132.13
  5. Step 5: Solve for x
    x = 14,833,132.13/4,610.88
  6. Step 6: Final answer
    x = 3,216.99

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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.