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Finding the Fourth Proportional to 22,607.99, 33,901.05 and 7,811.72

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Solution

The fourth proportional to 22,607.99, 33,901.05 and 7,811.72 is: 11,713.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,607.99 : 33,901.05 = 7,811.72 : x
  2. Step 2: Convert to fraction form
    22,607.99/33,901.05 = 7,811.72/x
  3. Step 3: Cross multiply
    22,607.99x = 33,901.05 × 7,811.72
  4. Step 4: Simplify right side
    22,607.99x = 264,825,510.31
  5. Step 5: Solve for x
    x = 264,825,510.31/22,607.99
  6. Step 6: Final answer
    x = 11,713.80

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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.