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Finding the Fourth Proportional to 22,038.66, 33,051.72 and 6,242.64

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Solution

The fourth proportional to 22,038.66, 33,051.72 and 6,242.64 is: 9,362.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,038.66 : 33,051.72 = 6,242.64 : x
  2. Step 2: Convert to fraction form
    22,038.66/33,051.72 = 6,242.64/x
  3. Step 3: Cross multiply
    22,038.66x = 33,051.72 × 6,242.64
  4. Step 4: Simplify right side
    22,038.66x = 206,329,989.34
  5. Step 5: Solve for x
    x = 206,329,989.34/22,038.66
  6. Step 6: Final answer
    x = 9,362.18

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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.