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Finding the Fourth Proportional to 3,223.58, 4,825.62 and 2,915.58

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Solution

The fourth proportional to 3,223.58, 4,825.62 and 2,915.58 is: 4,364.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,223.58 : 4,825.62 = 2,915.58 : x
  2. Step 2: Convert to fraction form
    3,223.58/4,825.62 = 2,915.58/x
  3. Step 3: Cross multiply
    3,223.58x = 4,825.62 × 2,915.58
  4. Step 4: Simplify right side
    3,223.58x = 14,069,481.16
  5. Step 5: Solve for x
    x = 14,069,481.16/3,223.58
  6. Step 6: Final answer
    x = 4,364.55

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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.