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Finding the Fourth Proportional to 7,027.99, 9,698.91 and 4,043.82

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Solution

The fourth proportional to 7,027.99, 9,698.91 and 4,043.82 is: 5,580.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,027.99 : 9,698.91 = 4,043.82 : x
  2. Step 2: Convert to fraction form
    7,027.99/9,698.91 = 4,043.82/x
  3. Step 3: Cross multiply
    7,027.99x = 9,698.91 × 4,043.82
  4. Step 4: Simplify right side
    7,027.99x = 39,220,646.24
  5. Step 5: Solve for x
    x = 39,220,646.24/7,027.99
  6. Step 6: Final answer
    x = 5,580.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.