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Finding the Fourth Proportional to 22,416.92, 33,628.08 and 9,278.59

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Solution

The fourth proportional to 22,416.92, 33,628.08 and 9,278.59 is: 13,919.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,416.92 : 33,628.08 = 9,278.59 : x
  2. Step 2: Convert to fraction form
    22,416.92/33,628.08 = 9,278.59/x
  3. Step 3: Cross multiply
    22,416.92x = 33,628.08 × 9,278.59
  4. Step 4: Simplify right side
    22,416.92x = 312,020,998.67
  5. Step 5: Solve for x
    x = 312,020,998.67/22,416.92
  6. Step 6: Final answer
    x = 13,919.00

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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.