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Finding the Fourth Proportional to 11,872.80, 17,784.90 and 6,032.70

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Solution

The fourth proportional to 11,872.80, 17,784.90 and 6,032.70 is: 9,036.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,872.80 : 17,784.90 = 6,032.70 : x
  2. Step 2: Convert to fraction form
    11,872.80/17,784.90 = 6,032.70/x
  3. Step 3: Cross multiply
    11,872.80x = 17,784.90 × 6,032.70
  4. Step 4: Simplify right side
    11,872.80x = 107,290,966.23
  5. Step 5: Solve for x
    x = 107,290,966.23/11,872.80
  6. Step 6: Final answer
    x = 9,036.70

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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.