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Finding the Fourth Proportional to 22,461, 33,691.36 and 5,820.99

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Solution

The fourth proportional to 22,461, 33,691.36 and 5,820.99 is: 8,731.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,461 : 33,691.36 = 5,820.99 : x
  2. Step 2: Convert to fraction form
    22,461/33,691.36 = 5,820.99/x
  3. Step 3: Cross multiply
    22,461x = 33,691.36 × 5,820.99
  4. Step 4: Simplify right side
    22,461x = 196,117,069.65
  5. Step 5: Solve for x
    x = 196,117,069.65/22,461
  6. Step 6: Final answer
    x = 8,731.45

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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.