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Finding the Fourth Proportional to 16,663.80, 22,996.04 and 9,110.16

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Solution

The fourth proportional to 16,663.80, 22,996.04 and 9,110.16 is: 12,572.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,663.80 : 22,996.04 = 9,110.16 : x
  2. Step 2: Convert to fraction form
    16,663.80/22,996.04 = 9,110.16/x
  3. Step 3: Cross multiply
    16,663.80x = 22,996.04 × 9,110.16
  4. Step 4: Simplify right side
    16,663.80x = 209,497,558.22
  5. Step 5: Solve for x
    x = 209,497,558.22/16,663.80
  6. Step 6: Final answer
    x = 12,572.02

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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.