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Finding the Fourth Proportional to 5,000.64, 7,488.55 and 3,770.45

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Solution

The fourth proportional to 5,000.64, 7,488.55 and 3,770.45 is: 5,646.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,000.64 : 7,488.55 = 3,770.45 : x
  2. Step 2: Convert to fraction form
    5,000.64/7,488.55 = 3,770.45/x
  3. Step 3: Cross multiply
    5,000.64x = 7,488.55 × 3,770.45
  4. Step 4: Simplify right side
    5,000.64x = 28,235,198.70
  5. Step 5: Solve for x
    x = 28,235,198.70/5,000.64
  6. Step 6: Final answer
    x = 5,646.32

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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.