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Finding the Fourth Proportional to 6,641.09, 9,159.99 and 4,369.68

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Solution

The fourth proportional to 6,641.09, 9,159.99 and 4,369.68 is: 6,027.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,641.09 : 9,159.99 = 4,369.68 : x
  2. Step 2: Convert to fraction form
    6,641.09/9,159.99 = 4,369.68/x
  3. Step 3: Cross multiply
    6,641.09x = 9,159.99 × 4,369.68
  4. Step 4: Simplify right side
    6,641.09x = 40,026,208.72
  5. Step 5: Solve for x
    x = 40,026,208.72/6,641.09
  6. Step 6: Final answer
    x = 6,027.06

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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.