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Finding the Fourth Proportional to 5,772.33, 8,658.50 and 3,308.72

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Solution

The fourth proportional to 5,772.33, 8,658.50 and 3,308.72 is: 4,963.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,772.33 : 8,658.50 = 3,308.72 : x
  2. Step 2: Convert to fraction form
    5,772.33/8,658.50 = 3,308.72/x
  3. Step 3: Cross multiply
    5,772.33x = 8,658.50 × 3,308.72
  4. Step 4: Simplify right side
    5,772.33x = 28,648,492.28
  5. Step 5: Solve for x
    x = 28,648,492.28/5,772.33
  6. Step 6: Final answer
    x = 4,963.07

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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.