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Finding the Fourth Proportional to 22,009.48, 33,006.30 and 8,859.40

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Solution

The fourth proportional to 22,009.48, 33,006.30 and 8,859.40 is: 13,285.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,009.48 : 33,006.30 = 8,859.40 : x
  2. Step 2: Convert to fraction form
    22,009.48/33,006.30 = 8,859.40/x
  3. Step 3: Cross multiply
    22,009.48x = 33,006.30 × 8,859.40
  4. Step 4: Simplify right side
    22,009.48x = 292,416,014.22
  5. Step 5: Solve for x
    x = 292,416,014.22/22,009.48
  6. Step 6: Final answer
    x = 13,285.91

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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.