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Finding the Fourth Proportional to 19,907.08, 29,865.06 and 6,057.16

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Solution

The fourth proportional to 19,907.08, 29,865.06 and 6,057.16 is: 9,087.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,907.08 : 29,865.06 = 6,057.16 : x
  2. Step 2: Convert to fraction form
    19,907.08/29,865.06 = 6,057.16/x
  3. Step 3: Cross multiply
    19,907.08x = 29,865.06 × 6,057.16
  4. Step 4: Simplify right side
    19,907.08x = 180,897,446.83
  5. Step 5: Solve for x
    x = 180,897,446.83/19,907.08
  6. Step 6: Final answer
    x = 9,087.09

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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.