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Finding the Fourth Proportional to 22,995.60, 34,477.20 and 8,950.20

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Solution

The fourth proportional to 22,995.60, 34,477.20 and 8,950.20 is: 13,418.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,995.60 : 34,477.20 = 8,950.20 : x
  2. Step 2: Convert to fraction form
    22,995.60/34,477.20 = 8,950.20/x
  3. Step 3: Cross multiply
    22,995.60x = 34,477.20 × 8,950.20
  4. Step 4: Simplify right side
    22,995.60x = 308,577,835.44
  5. Step 5: Solve for x
    x = 308,577,835.44/22,995.60
  6. Step 6: Final answer
    x = 13,418.99

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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.