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Finding the Fourth Proportional to 59,310.23, 81,840.03 and 35,431.83

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Solution

The fourth proportional to 59,310.23, 81,840.03 and 35,431.83 is: 48,891.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,310.23 : 81,840.03 = 35,431.83 : x
  2. Step 2: Convert to fraction form
    59,310.23/81,840.03 = 35,431.83/x
  3. Step 3: Cross multiply
    59,310.23x = 81,840.03 × 35,431.83
  4. Step 4: Simplify right side
    59,310.23x = 2,899,742,030.15
  5. Step 5: Solve for x
    x = 2,899,742,030.15/59,310.23
  6. Step 6: Final answer
    x = 48,891.10

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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.