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Finding the Fourth Proportional to 10,202.19, 14,078.66 and 5,726.19

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Solution

The fourth proportional to 10,202.19, 14,078.66 and 5,726.19 is: 7,901.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,202.19 : 14,078.66 = 5,726.19 : x
  2. Step 2: Convert to fraction form
    10,202.19/14,078.66 = 5,726.19/x
  3. Step 3: Cross multiply
    10,202.19x = 14,078.66 × 5,726.19
  4. Step 4: Simplify right side
    10,202.19x = 80,617,053.47
  5. Step 5: Solve for x
    x = 80,617,053.47/10,202.19
  6. Step 6: Final answer
    x = 7,901.94

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.