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Finding the Fourth Proportional to 22,550.78, 33,807.95 and 9,412.99

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Solution

The fourth proportional to 22,550.78, 33,807.95 and 9,412.99 is: 14,111.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,550.78 : 33,807.95 = 9,412.99 : x
  2. Step 2: Convert to fraction form
    22,550.78/33,807.95 = 9,412.99/x
  3. Step 3: Cross multiply
    22,550.78x = 33,807.95 × 9,412.99
  4. Step 4: Simplify right side
    22,550.78x = 318,233,798.98
  5. Step 5: Solve for x
    x = 318,233,798.98/22,550.78
  6. Step 6: Final answer
    x = 14,111.87

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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.