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Finding the Fourth Proportional to 22,412.67, 33,630.35 and 9,274.47

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Solution

The fourth proportional to 22,412.67, 33,630.35 and 9,274.47 is: 13,916.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,412.67 : 33,630.35 = 9,274.47 : x
  2. Step 2: Convert to fraction form
    22,412.67/33,630.35 = 9,274.47/x
  3. Step 3: Cross multiply
    22,412.67x = 33,630.35 × 9,274.47
  4. Step 4: Simplify right side
    22,412.67x = 311,903,625.79
  5. Step 5: Solve for x
    x = 311,903,625.79/22,412.67
  6. Step 6: Final answer
    x = 13,916.40

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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.