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Finding the Fourth Proportional to 5,860.89, 8,792.78 and 4,478.49

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Solution

The fourth proportional to 5,860.89, 8,792.78 and 4,478.49 is: 6,718.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,860.89 : 8,792.78 = 4,478.49 : x
  2. Step 2: Convert to fraction form
    5,860.89/8,792.78 = 4,478.49/x
  3. Step 3: Cross multiply
    5,860.89x = 8,792.78 × 4,478.49
  4. Step 4: Simplify right side
    5,860.89x = 39,378,354.91
  5. Step 5: Solve for x
    x = 39,378,354.91/5,860.89
  6. Step 6: Final answer
    x = 6,718.84

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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.