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Finding the Fourth Proportional to 62,613.36, 86,433.48 and 37,458

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Solution

The fourth proportional to 62,613.36, 86,433.48 and 37,458 is: 51,708.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,613.36 : 86,433.48 = 37,458 : x
  2. Step 2: Convert to fraction form
    62,613.36/86,433.48 = 37,458/x
  3. Step 3: Cross multiply
    62,613.36x = 86,433.48 × 37,458
  4. Step 4: Simplify right side
    62,613.36x = 3,237,625,293.84
  5. Step 5: Solve for x
    x = 3,237,625,293.84/62,613.36
  6. Step 6: Final answer
    x = 51,708.22

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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.