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Finding the Fourth Proportional to 11,641.96, 16,065.42 and 6,606.07

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Solution

The fourth proportional to 11,641.96, 16,065.42 and 6,606.07 is: 9,116.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,641.96 : 16,065.42 = 6,606.07 : x
  2. Step 2: Convert to fraction form
    11,641.96/16,065.42 = 6,606.07/x
  3. Step 3: Cross multiply
    11,641.96x = 16,065.42 × 6,606.07
  4. Step 4: Simplify right side
    11,641.96x = 106,129,333.95
  5. Step 5: Solve for x
    x = 106,129,333.95/11,641.96
  6. Step 6: Final answer
    x = 9,116.11

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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.