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Finding the Fourth Proportional to 22,477.18, 33,706.99 and 8,429.54

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Solution

The fourth proportional to 22,477.18, 33,706.99 and 8,429.54 is: 12,641.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,477.18 : 33,706.99 = 8,429.54 : x
  2. Step 2: Convert to fraction form
    22,477.18/33,706.99 = 8,429.54/x
  3. Step 3: Cross multiply
    22,477.18x = 33,706.99 × 8,429.54
  4. Step 4: Simplify right side
    22,477.18x = 284,134,215.07
  5. Step 5: Solve for x
    x = 284,134,215.07/22,477.18
  6. Step 6: Final answer
    x = 12,641.01

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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.