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Finding the Fourth Proportional to 4,666.87, 6,997.88 and 2,201.03

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Solution

The fourth proportional to 4,666.87, 6,997.88 and 2,201.03 is: 3,300.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,666.87 : 6,997.88 = 2,201.03 : x
  2. Step 2: Convert to fraction form
    4,666.87/6,997.88 = 2,201.03/x
  3. Step 3: Cross multiply
    4,666.87x = 6,997.88 × 2,201.03
  4. Step 4: Simplify right side
    4,666.87x = 15,402,520.82
  5. Step 5: Solve for x
    x = 15,402,520.82/4,666.87
  6. Step 6: Final answer
    x = 3,300.40

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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.