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Finding the Fourth Proportional to 62,364, 86,064.21 and 34,071.51

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Solution

The fourth proportional to 62,364, 86,064.21 and 34,071.51 is: 47,019.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,364 : 86,064.21 = 34,071.51 : x
  2. Step 2: Convert to fraction form
    62,364/86,064.21 = 34,071.51/x
  3. Step 3: Cross multiply
    62,364x = 86,064.21 × 34,071.51
  4. Step 4: Simplify right side
    62,364x = 2,932,337,591.66
  5. Step 5: Solve for x
    x = 2,932,337,591.66/62,364
  6. Step 6: Final answer
    x = 47,019.72

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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.