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Finding the Fourth Proportional to 11,641.98, 16,063.20 and 6,605.04

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Solution

The fourth proportional to 11,641.98, 16,063.20 and 6,605.04 is: 9,113.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,641.98 : 16,063.20 = 6,605.04 : x
  2. Step 2: Convert to fraction form
    11,641.98/16,063.20 = 6,605.04/x
  3. Step 3: Cross multiply
    11,641.98x = 16,063.20 × 6,605.04
  4. Step 4: Simplify right side
    11,641.98x = 106,098,078.53
  5. Step 5: Solve for x
    x = 106,098,078.53/11,641.98
  6. Step 6: Final answer
    x = 9,113.40

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Double scale
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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.