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Finding the Fourth Proportional to 4,600.57, 6,901.88 and 1,678.87

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Solution

The fourth proportional to 4,600.57, 6,901.88 and 1,678.87 is: 2,518.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,600.57 : 6,901.88 = 1,678.87 : x
  2. Step 2: Convert to fraction form
    4,600.57/6,901.88 = 1,678.87/x
  3. Step 3: Cross multiply
    4,600.57x = 6,901.88 × 1,678.87
  4. Step 4: Simplify right side
    4,600.57x = 11,587,350.88
  5. Step 5: Solve for x
    x = 11,587,350.88/4,600.57
  6. Step 6: Final answer
    x = 2,518.68

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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.