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Finding the Fourth Proportional to 70,473, 97,243.83 and 38,633.52

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Solution

The fourth proportional to 70,473, 97,243.83 and 38,633.52 is: 53,309.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,473 : 97,243.83 = 38,633.52 : x
  2. Step 2: Convert to fraction form
    70,473/97,243.83 = 38,633.52/x
  3. Step 3: Cross multiply
    70,473x = 97,243.83 × 38,633.52
  4. Step 4: Simplify right side
    70,473x = 3,756,871,451.18
  5. Step 5: Solve for x
    x = 3,756,871,451.18/70,473
  6. Step 6: Final answer
    x = 53,309.37

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Why These Related Problems?

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