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Finding the Fourth Proportional to 48,897.40, 73,115.70 and 36,455.80

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Solution

The fourth proportional to 48,897.40, 73,115.70 and 36,455.80 is: 54,511.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,897.40 : 73,115.70 = 36,455.80 : x
  2. Step 2: Convert to fraction form
    48,897.40/73,115.70 = 36,455.80/x
  3. Step 3: Cross multiply
    48,897.40x = 73,115.70 × 36,455.80
  4. Step 4: Simplify right side
    48,897.40x = 2,665,491,336.06
  5. Step 5: Solve for x
    x = 2,665,491,336.06/48,897.40
  6. Step 6: Final answer
    x = 54,511.92

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1.5x scale

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.