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Finding the Fourth Proportional to 69,062.60, 103,554.21 and 33,511.70

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Solution

The fourth proportional to 69,062.60, 103,554.21 and 33,511.70 is: 50,248.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,062.60 : 103,554.21 = 33,511.70 : x
  2. Step 2: Convert to fraction form
    69,062.60/103,554.21 = 33,511.70/x
  3. Step 3: Cross multiply
    69,062.60x = 103,554.21 × 33,511.70
  4. Step 4: Simplify right side
    69,062.60x = 3,470,277,619.26
  5. Step 5: Solve for x
    x = 3,470,277,619.26/69,062.60
  6. Step 6: Final answer
    x = 50,248.29

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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.