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Finding the Fourth Proportional to 62,345.88, 86,037.31 and 34,051.63

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Solution

The fourth proportional to 62,345.88, 86,037.31 and 34,051.63 is: 46,991.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,345.88 : 86,037.31 = 34,051.63 : x
  2. Step 2: Convert to fraction form
    62,345.88/86,037.31 = 34,051.63/x
  3. Step 3: Cross multiply
    62,345.88x = 86,037.31 × 34,051.63
  4. Step 4: Simplify right side
    62,345.88x = 2,929,710,561.19
  5. Step 5: Solve for x
    x = 2,929,710,561.19/62,345.88
  6. Step 6: Final answer
    x = 46,991.25

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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.