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Finding the Fourth Proportional to 48,591.64, 72,838.72 and 16,977.16

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Solution

The fourth proportional to 48,591.64, 72,838.72 and 16,977.16 is: 25,448.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,591.64 : 72,838.72 = 16,977.16 : x
  2. Step 2: Convert to fraction form
    48,591.64/72,838.72 = 16,977.16/x
  3. Step 3: Cross multiply
    48,591.64x = 72,838.72 × 16,977.16
  4. Step 4: Simplify right side
    48,591.64x = 1,236,594,603.64
  5. Step 5: Solve for x
    x = 1,236,594,603.64/48,591.64
  6. Step 6: Final answer
    x = 25,448.71

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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.