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Finding the Fourth Proportional to 16,376.96, 22,601.08 and 9,666.48

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Solution

The fourth proportional to 16,376.96, 22,601.08 and 9,666.48 is: 13,340.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,376.96 : 22,601.08 = 9,666.48 : x
  2. Step 2: Convert to fraction form
    16,376.96/22,601.08 = 9,666.48/x
  3. Step 3: Cross multiply
    16,376.96x = 22,601.08 × 9,666.48
  4. Step 4: Simplify right side
    16,376.96x = 218,472,887.80
  5. Step 5: Solve for x
    x = 218,472,887.80/16,376.96
  6. Step 6: Final answer
    x = 13,340.26

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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.