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Finding the Fourth Proportional to 62,799.68, 86,663.54 and 34,507.19

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Solution

The fourth proportional to 62,799.68, 86,663.54 and 34,507.19 is: 47,619.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,799.68 : 86,663.54 = 34,507.19 : x
  2. Step 2: Convert to fraction form
    62,799.68/86,663.54 = 34,507.19/x
  3. Step 3: Cross multiply
    62,799.68x = 86,663.54 × 34,507.19
  4. Step 4: Simplify right side
    62,799.68x = 2,990,514,959.99
  5. Step 5: Solve for x
    x = 2,990,514,959.99/62,799.68
  6. Step 6: Final answer
    x = 47,619.91

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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.