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Finding the Fourth Proportional to 6,579.90, 9,866.14 and 5,801.76

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Solution

The fourth proportional to 6,579.90, 9,866.14 and 5,801.76 is: 8,699.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,579.90 : 9,866.14 = 5,801.76 : x
  2. Step 2: Convert to fraction form
    6,579.90/9,866.14 = 5,801.76/x
  3. Step 3: Cross multiply
    6,579.90x = 9,866.14 × 5,801.76
  4. Step 4: Simplify right side
    6,579.90x = 57,240,961.90
  5. Step 5: Solve for x
    x = 57,240,961.90/6,579.90
  6. Step 6: Final answer
    x = 8,699.37

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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.