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Finding the Fourth Proportional to 59,345.78, 81,898.20 and 36,684.19

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Solution

The fourth proportional to 59,345.78, 81,898.20 and 36,684.19 is: 50,624.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,345.78 : 81,898.20 = 36,684.19 : x
  2. Step 2: Convert to fraction form
    59,345.78/81,898.20 = 36,684.19/x
  3. Step 3: Cross multiply
    59,345.78x = 81,898.20 × 36,684.19
  4. Step 4: Simplify right side
    59,345.78x = 3,004,369,051.28
  5. Step 5: Solve for x
    x = 3,004,369,051.28/59,345.78
  6. Step 6: Final answer
    x = 50,624.81

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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.