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Finding the Fourth Proportional to 59,138.64, 88,694.55 and 17,018.64

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Solution

The fourth proportional to 59,138.64, 88,694.55 and 17,018.64 is: 25,524.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,138.64 : 88,694.55 = 17,018.64 : x
  2. Step 2: Convert to fraction form
    59,138.64/88,694.55 = 17,018.64/x
  3. Step 3: Cross multiply
    59,138.64x = 88,694.55 × 17,018.64
  4. Step 4: Simplify right side
    59,138.64x = 1,509,460,616.41
  5. Step 5: Solve for x
    x = 1,509,460,616.41/59,138.64
  6. Step 6: Final answer
    x = 25,524.10

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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.