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Finding the Fourth Proportional to 52,909.14, 73,009.78 and 31,395.17

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Solution

The fourth proportional to 52,909.14, 73,009.78 and 31,395.17 is: 43,322.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,909.14 : 73,009.78 = 31,395.17 : x
  2. Step 2: Convert to fraction form
    52,909.14/73,009.78 = 31,395.17/x
  3. Step 3: Cross multiply
    52,909.14x = 73,009.78 × 31,395.17
  4. Step 4: Simplify right side
    52,909.14x = 2,292,154,882.22
  5. Step 5: Solve for x
    x = 2,292,154,882.22/52,909.14
  6. Step 6: Final answer
    x = 43,322.48

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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.