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Finding the Fourth Proportional to 48,866.40, 73,269.90 and 19,250.10

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Solution

The fourth proportional to 48,866.40, 73,269.90 and 19,250.10 is: 28,863.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,866.40 : 73,269.90 = 19,250.10 : x
  2. Step 2: Convert to fraction form
    48,866.40/73,269.90 = 19,250.10/x
  3. Step 3: Cross multiply
    48,866.40x = 73,269.90 × 19,250.10
  4. Step 4: Simplify right side
    48,866.40x = 1,410,452,901.99
  5. Step 5: Solve for x
    x = 1,410,452,901.99/48,866.40
  6. Step 6: Final answer
    x = 28,863.45

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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.