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Finding the Fourth Proportional to 14,983.81, 22,481.01 and 9,430.92

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Solution

The fourth proportional to 14,983.81, 22,481.01 and 9,430.92 is: 14,149.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,983.81 : 22,481.01 = 9,430.92 : x
  2. Step 2: Convert to fraction form
    14,983.81/22,481.01 = 9,430.92/x
  3. Step 3: Cross multiply
    14,983.81x = 22,481.01 × 9,430.92
  4. Step 4: Simplify right side
    14,983.81x = 212,016,606.83
  5. Step 5: Solve for x
    x = 212,016,606.83/14,983.81
  6. Step 6: Final answer
    x = 14,149.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.