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Finding the Fourth Proportional to 16,663.86, 22,993.92 and 10,703.61

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Solution

The fourth proportional to 16,663.86, 22,993.92 and 10,703.61 is: 14,769.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,663.86 : 22,993.92 = 10,703.61 : x
  2. Step 2: Convert to fraction form
    16,663.86/22,993.92 = 10,703.61/x
  3. Step 3: Cross multiply
    16,663.86x = 22,993.92 × 10,703.61
  4. Step 4: Simplify right side
    16,663.86x = 246,117,952.05
  5. Step 5: Solve for x
    x = 246,117,952.05/16,663.86
  6. Step 6: Final answer
    x = 14,769.56

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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.