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Finding the Fourth Proportional to 69,467.60, 104,201.40 and 38,363.60

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Solution

The fourth proportional to 69,467.60, 104,201.40 and 38,363.60 is: 57,545.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,467.60 : 104,201.40 = 38,363.60 : x
  2. Step 2: Convert to fraction form
    69,467.60/104,201.40 = 38,363.60/x
  3. Step 3: Cross multiply
    69,467.60x = 104,201.40 × 38,363.60
  4. Step 4: Simplify right side
    69,467.60x = 3,997,540,829.04
  5. Step 5: Solve for x
    x = 3,997,540,829.04/69,467.60
  6. Step 6: Final answer
    x = 57,545.40

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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.