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Finding the Fourth Proportional to 59,828.64, 89,772.60 and 43,994.64

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Solution

The fourth proportional to 59,828.64, 89,772.60 and 43,994.64 is: 66,013.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,828.64 : 89,772.60 = 43,994.64 : x
  2. Step 2: Convert to fraction form
    59,828.64/89,772.60 = 43,994.64/x
  3. Step 3: Cross multiply
    59,828.64x = 89,772.60 × 43,994.64
  4. Step 4: Simplify right side
    59,828.64x = 3,949,513,218.86
  5. Step 5: Solve for x
    x = 3,949,513,218.86/59,828.64
  6. Step 6: Final answer
    x = 66,013.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.