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Finding the Fourth Proportional to 70,462.43, 97,238.02 and 38,633.39

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Solution

The fourth proportional to 70,462.43, 97,238.02 and 38,633.39 is: 53,314.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,462.43 : 97,238.02 = 38,633.39 : x
  2. Step 2: Convert to fraction form
    70,462.43/97,238.02 = 38,633.39/x
  3. Step 3: Cross multiply
    70,462.43x = 97,238.02 × 38,633.39
  4. Step 4: Simplify right side
    70,462.43x = 3,756,633,670.13
  5. Step 5: Solve for x
    x = 3,756,633,670.13/70,462.43
  6. Step 6: Final answer
    x = 53,314.00

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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.