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Finding the Fourth Proportional to 59,345.64, 81,894.34 and 32,489.28

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Solution

The fourth proportional to 59,345.64, 81,894.34 and 32,489.28 is: 44,833.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,345.64 : 81,894.34 = 32,489.28 : x
  2. Step 2: Convert to fraction form
    59,345.64/81,894.34 = 32,489.28/x
  3. Step 3: Cross multiply
    59,345.64x = 81,894.34 × 32,489.28
  4. Step 4: Simplify right side
    59,345.64x = 2,660,688,142.68
  5. Step 5: Solve for x
    x = 2,660,688,142.68/59,345.64
  6. Step 6: Final answer
    x = 44,833.76

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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.