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Finding the Fourth Proportional to 5,677.62, 8,501.84 and 3,479.68

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Solution

The fourth proportional to 5,677.62, 8,501.84 and 3,479.68 is: 5,210.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,677.62 : 8,501.84 = 3,479.68 : x
  2. Step 2: Convert to fraction form
    5,677.62/8,501.84 = 3,479.68/x
  3. Step 3: Cross multiply
    5,677.62x = 8,501.84 × 3,479.68
  4. Step 4: Simplify right side
    5,677.62x = 29,583,682.61
  5. Step 5: Solve for x
    x = 29,583,682.61/5,677.62
  6. Step 6: Final answer
    x = 5,210.58

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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.