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Finding the Fourth Proportional to 22,602.93, 33,908.94 and 7,812.42

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Solution

The fourth proportional to 22,602.93, 33,908.94 and 7,812.42 is: 11,720.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,602.93 : 33,908.94 = 7,812.42 : x
  2. Step 2: Convert to fraction form
    22,602.93/33,908.94 = 7,812.42/x
  3. Step 3: Cross multiply
    22,602.93x = 33,908.94 × 7,812.42
  4. Step 4: Simplify right side
    22,602.93x = 264,910,881.03
  5. Step 5: Solve for x
    x = 264,910,881.03/22,602.93
  6. Step 6: Final answer
    x = 11,720.20

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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.