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Finding the Fourth Proportional to 58,645.73, 80,929.13 and 34,758.22

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Solution

The fourth proportional to 58,645.73, 80,929.13 and 34,758.22 is: 47,965.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,645.73 : 80,929.13 = 34,758.22 : x
  2. Step 2: Convert to fraction form
    58,645.73/80,929.13 = 34,758.22/x
  3. Step 3: Cross multiply
    58,645.73x = 80,929.13 × 34,758.22
  4. Step 4: Simplify right side
    58,645.73x = 2,812,951,926.51
  5. Step 5: Solve for x
    x = 2,812,951,926.51/58,645.73
  6. Step 6: Final answer
    x = 47,965.17

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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.