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Finding the Fourth Proportional to 17,312.58, 25,963.92 and 6,217.20

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Solution

The fourth proportional to 17,312.58, 25,963.92 and 6,217.20 is: 9,324.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,312.58 : 25,963.92 = 6,217.20 : x
  2. Step 2: Convert to fraction form
    17,312.58/25,963.92 = 6,217.20/x
  3. Step 3: Cross multiply
    17,312.58x = 25,963.92 × 6,217.20
  4. Step 4: Simplify right side
    17,312.58x = 161,422,883.42
  5. Step 5: Solve for x
    x = 161,422,883.42/17,312.58
  6. Step 6: Final answer
    x = 9,324.02

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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.