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Finding the Fourth Proportional to 22,030.82, 33,051.08 and 7,239.10

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Solution

The fourth proportional to 22,030.82, 33,051.08 and 7,239.10 is: 10,860.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,030.82 : 33,051.08 = 7,239.10 : x
  2. Step 2: Convert to fraction form
    22,030.82/33,051.08 = 7,239.10/x
  3. Step 3: Cross multiply
    22,030.82x = 33,051.08 × 7,239.10
  4. Step 4: Simplify right side
    22,030.82x = 239,260,132.64
  5. Step 5: Solve for x
    x = 239,260,132.64/22,030.82
  6. Step 6: Final answer
    x = 10,860.25

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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.