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Finding the Fourth Proportional to 22,208.70, 33,327.45 and 12,848.70

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Solution

The fourth proportional to 22,208.70, 33,327.45 and 12,848.70 is: 19,281.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,208.70 : 33,327.45 = 12,848.70 : x
  2. Step 2: Convert to fraction form
    22,208.70/33,327.45 = 12,848.70/x
  3. Step 3: Cross multiply
    22,208.70x = 33,327.45 × 12,848.70
  4. Step 4: Simplify right side
    22,208.70x = 428,214,406.82
  5. Step 5: Solve for x
    x = 428,214,406.82/22,208.70
  6. Step 6: Final answer
    x = 19,281.38

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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.