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Finding the Fourth Proportional to 3,488.67, 5,220.11 and 3,070.24

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Solution

The fourth proportional to 3,488.67, 5,220.11 and 3,070.24 is: 4,594.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,488.67 : 5,220.11 = 3,070.24 : x
  2. Step 2: Convert to fraction form
    3,488.67/5,220.11 = 3,070.24/x
  3. Step 3: Cross multiply
    3,488.67x = 5,220.11 × 3,070.24
  4. Step 4: Simplify right side
    3,488.67x = 16,026,985.15
  5. Step 5: Solve for x
    x = 16,026,985.15/3,488.67
  6. Step 6: Final answer
    x = 4,594.01

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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.