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Finding the Fourth Proportional to 62,679.51, 86,494.86 and 34,384.59

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Solution

The fourth proportional to 62,679.51, 86,494.86 and 34,384.59 is: 47,449.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,679.51 : 86,494.86 = 34,384.59 : x
  2. Step 2: Convert to fraction form
    62,679.51/86,494.86 = 34,384.59/x
  3. Step 3: Cross multiply
    62,679.51x = 86,494.86 × 34,384.59
  4. Step 4: Simplify right side
    62,679.51x = 2,974,090,298.21
  5. Step 5: Solve for x
    x = 2,974,090,298.21/62,679.51
  6. Step 6: Final answer
    x = 47,449.16

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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.