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Finding the Fourth Proportional to 22,000.16, 33,002.82 and 7,966.81

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Solution

The fourth proportional to 22,000.16, 33,002.82 and 7,966.81 is: 11,951.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,000.16 : 33,002.82 = 7,966.81 : x
  2. Step 2: Convert to fraction form
    22,000.16/33,002.82 = 7,966.81/x
  3. Step 3: Cross multiply
    22,000.16x = 33,002.82 × 7,966.81
  4. Step 4: Simplify right side
    22,000.16x = 262,927,029.61
  5. Step 5: Solve for x
    x = 262,927,029.61/22,000.16
  6. Step 6: Final answer
    x = 11,951.14

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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.