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Finding the Fourth Proportional to 54,284.52, 80,893.68 and 52,500.72

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Solution

The fourth proportional to 54,284.52, 80,893.68 and 52,500.72 is: 78,235.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,284.52 : 80,893.68 = 52,500.72 : x
  2. Step 2: Convert to fraction form
    54,284.52/80,893.68 = 52,500.72/x
  3. Step 3: Cross multiply
    54,284.52x = 80,893.68 × 52,500.72
  4. Step 4: Simplify right side
    54,284.52x = 4,246,976,443.45
  5. Step 5: Solve for x
    x = 4,246,976,443.45/54,284.52
  6. Step 6: Final answer
    x = 78,235.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.