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Finding the Fourth Proportional to 19,871.13, 29,806.76 and 6,020.13

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Solution

The fourth proportional to 19,871.13, 29,806.76 and 6,020.13 is: 9,030.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,871.13 : 29,806.76 = 6,020.13 : x
  2. Step 2: Convert to fraction form
    19,871.13/29,806.76 = 6,020.13/x
  3. Step 3: Cross multiply
    19,871.13x = 29,806.76 × 6,020.13
  4. Step 4: Simplify right side
    19,871.13x = 179,440,570.08
  5. Step 5: Solve for x
    x = 179,440,570.08/19,871.13
  6. Step 6: Final answer
    x = 9,030.21

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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.