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Finding the Fourth Proportional to 6,590.84, 9,889.90 and 2,694.94

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Solution

The fourth proportional to 6,590.84, 9,889.90 and 2,694.94 is: 4,043.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,590.84 : 9,889.90 = 2,694.94 : x
  2. Step 2: Convert to fraction form
    6,590.84/9,889.90 = 2,694.94/x
  3. Step 3: Cross multiply
    6,590.84x = 9,889.90 × 2,694.94
  4. Step 4: Simplify right side
    6,590.84x = 26,652,655.64
  5. Step 5: Solve for x
    x = 26,652,655.64/6,590.84
  6. Step 6: Final answer
    x = 4,043.90

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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.