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Finding the Fourth Proportional to 19,869.08, 29,807.94 and 6,019.16

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Solution

The fourth proportional to 19,869.08, 29,807.94 and 6,019.16 is: 9,030.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,869.08 : 29,807.94 = 6,019.16 : x
  2. Step 2: Convert to fraction form
    19,869.08/29,807.94 = 6,019.16/x
  3. Step 3: Cross multiply
    19,869.08x = 29,807.94 × 6,019.16
  4. Step 4: Simplify right side
    19,869.08x = 179,418,760.13
  5. Step 5: Solve for x
    x = 179,418,760.13/19,869.08
  6. Step 6: Final answer
    x = 9,030.05

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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.