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Finding the Fourth Proportional to 5,860.80, 8,740.80 and 4,924.80

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Solution

The fourth proportional to 5,860.80, 8,740.80 and 4,924.80 is: 7,344.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,860.80 : 8,740.80 = 4,924.80 : x
  2. Step 2: Convert to fraction form
    5,860.80/8,740.80 = 4,924.80/x
  3. Step 3: Cross multiply
    5,860.80x = 8,740.80 × 4,924.80
  4. Step 4: Simplify right side
    5,860.80x = 43,046,691.84
  5. Step 5: Solve for x
    x = 43,046,691.84/5,860.80
  6. Step 6: Final answer
    x = 7,344.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.