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Finding the Fourth Proportional to 22,477.56, 33,728.48 and 9,339

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Solution

The fourth proportional to 22,477.56, 33,728.48 and 9,339 is: 14,013.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,477.56 : 33,728.48 = 9,339 : x
  2. Step 2: Convert to fraction form
    22,477.56/33,728.48 = 9,339/x
  3. Step 3: Cross multiply
    22,477.56x = 33,728.48 × 9,339
  4. Step 4: Simplify right side
    22,477.56x = 314,990,274.72
  5. Step 5: Solve for x
    x = 314,990,274.72/22,477.56
  6. Step 6: Final answer
    x = 14,013.54

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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.