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Finding the Fourth Proportional to 19,871.01, 29,810.91 and 6,548.12

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Solution

The fourth proportional to 19,871.01, 29,810.91 and 6,548.12 is: 9,823.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,871.01 : 29,810.91 = 6,548.12 : x
  2. Step 2: Convert to fraction form
    19,871.01/29,810.91 = 6,548.12/x
  3. Step 3: Cross multiply
    19,871.01x = 29,810.91 × 6,548.12
  4. Step 4: Simplify right side
    19,871.01x = 195,205,266.93
  5. Step 5: Solve for x
    x = 195,205,266.93/19,871.01
  6. Step 6: Final answer
    x = 9,823.62

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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.