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Finding the Fourth Proportional to 16,641.55, 22,965.44 and 9,087.79

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Solution

The fourth proportional to 16,641.55, 22,965.44 and 9,087.79 is: 12,541.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,641.55 : 22,965.44 = 9,087.79 : x
  2. Step 2: Convert to fraction form
    16,641.55/22,965.44 = 9,087.79/x
  3. Step 3: Cross multiply
    16,641.55x = 22,965.44 × 9,087.79
  4. Step 4: Simplify right side
    16,641.55x = 208,705,095.98
  5. Step 5: Solve for x
    x = 208,705,095.98/16,641.55
  6. Step 6: Final answer
    x = 12,541.21

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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.