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Finding the Fourth Proportional to 22,222.76, 33,334.08 and 8,901.74

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Solution

The fourth proportional to 22,222.76, 33,334.08 and 8,901.74 is: 13,352.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,222.76 : 33,334.08 = 8,901.74 : x
  2. Step 2: Convert to fraction form
    22,222.76/33,334.08 = 8,901.74/x
  3. Step 3: Cross multiply
    22,222.76x = 33,334.08 × 8,901.74
  4. Step 4: Simplify right side
    22,222.76x = 296,731,313.30
  5. Step 5: Solve for x
    x = 296,731,313.30/22,222.76
  6. Step 6: Final answer
    x = 13,352.59

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Double scale
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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.