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Finding the Fourth Proportional to 22,424.72, 33,621.48 and 9,937.89

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Solution

The fourth proportional to 22,424.72, 33,621.48 and 9,937.89 is: 14,899.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,424.72 : 33,621.48 = 9,937.89 : x
  2. Step 2: Convert to fraction form
    22,424.72/33,621.48 = 9,937.89/x
  3. Step 3: Cross multiply
    22,424.72x = 33,621.48 × 9,937.89
  4. Step 4: Simplify right side
    22,424.72x = 334,126,569.88
  5. Step 5: Solve for x
    x = 334,126,569.88/22,424.72
  6. Step 6: Final answer
    x = 14,899.92

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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.