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Finding the Fourth Proportional to 4,499.88, 6,749.87 and 4,493.40

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Solution

The fourth proportional to 4,499.88, 6,749.87 and 4,493.40 is: 6,740.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,499.88 : 6,749.87 = 4,493.40 : x
  2. Step 2: Convert to fraction form
    4,499.88/6,749.87 = 4,493.40/x
  3. Step 3: Cross multiply
    4,499.88x = 6,749.87 × 4,493.40
  4. Step 4: Simplify right side
    4,499.88x = 30,329,843.39
  5. Step 5: Solve for x
    x = 30,329,843.39/4,499.88
  6. Step 6: Final answer
    x = 6,740.14

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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.