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Finding the Fourth Proportional to 58,841.81, 81,222.51 and 34,968.20

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Solution

The fourth proportional to 58,841.81, 81,222.51 and 34,968.20 is: 48,268.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,841.81 : 81,222.51 = 34,968.20 : x
  2. Step 2: Convert to fraction form
    58,841.81/81,222.51 = 34,968.20/x
  3. Step 3: Cross multiply
    58,841.81x = 81,222.51 × 34,968.20
  4. Step 4: Simplify right side
    58,841.81x = 2,840,204,568.07
  5. Step 5: Solve for x
    x = 2,840,204,568.07/58,841.81
  6. Step 6: Final answer
    x = 48,268.48

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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.