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Finding the Fourth Proportional to 22,442.40, 33,657.12 and 7,650.99

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Solution

The fourth proportional to 22,442.40, 33,657.12 and 7,650.99 is: 11,474.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,442.40 : 33,657.12 = 7,650.99 : x
  2. Step 2: Convert to fraction form
    22,442.40/33,657.12 = 7,650.99/x
  3. Step 3: Cross multiply
    22,442.40x = 33,657.12 × 7,650.99
  4. Step 4: Simplify right side
    22,442.40x = 257,510,288.55
  5. Step 5: Solve for x
    x = 257,510,288.55/22,442.40
  6. Step 6: Final answer
    x = 11,474.28

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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.