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Finding the Fourth Proportional to 6,113.76, 9,160.98 and 4,648.44

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Solution

The fourth proportional to 6,113.76, 9,160.98 and 4,648.44 is: 6,965.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,113.76 : 9,160.98 = 4,648.44 : x
  2. Step 2: Convert to fraction form
    6,113.76/9,160.98 = 4,648.44/x
  3. Step 3: Cross multiply
    6,113.76x = 9,160.98 × 4,648.44
  4. Step 4: Simplify right side
    6,113.76x = 42,584,265.87
  5. Step 5: Solve for x
    x = 42,584,265.87/6,113.76
  6. Step 6: Final answer
    x = 6,965.32

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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.