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Finding the Fourth Proportional to 22,007.39, 32,996.48 and 7,965.58

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Solution

The fourth proportional to 22,007.39, 32,996.48 and 7,965.58 is: 11,943.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,007.39 : 32,996.48 = 7,965.58 : x
  2. Step 2: Convert to fraction form
    22,007.39/32,996.48 = 7,965.58/x
  3. Step 3: Cross multiply
    22,007.39x = 32,996.48 × 7,965.58
  4. Step 4: Simplify right side
    22,007.39x = 262,836,101.16
  5. Step 5: Solve for x
    x = 262,836,101.16/22,007.39
  6. Step 6: Final answer
    x = 11,943.08

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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.