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Finding the Fourth Proportional to 5,666.70, 8,483.85 and 3,479.70

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Solution

The fourth proportional to 5,666.70, 8,483.85 and 3,479.70 is: 5,209.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,666.70 : 8,483.85 = 3,479.70 : x
  2. Step 2: Convert to fraction form
    5,666.70/8,483.85 = 3,479.70/x
  3. Step 3: Cross multiply
    5,666.70x = 8,483.85 × 3,479.70
  4. Step 4: Simplify right side
    5,666.70x = 29,521,252.85
  5. Step 5: Solve for x
    x = 29,521,252.85/5,666.70
  6. Step 6: Final answer
    x = 5,209.60

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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.