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Finding the Fourth Proportional to 69,702.40, 104,553.60 and 25,330.60

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Solution

The fourth proportional to 69,702.40, 104,553.60 and 25,330.60 is: 37,995.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,702.40 : 104,553.60 = 25,330.60 : x
  2. Step 2: Convert to fraction form
    69,702.40/104,553.60 = 25,330.60/x
  3. Step 3: Cross multiply
    69,702.40x = 104,553.60 × 25,330.60
  4. Step 4: Simplify right side
    69,702.40x = 2,648,405,420.16
  5. Step 5: Solve for x
    x = 2,648,405,420.16/69,702.40
  6. Step 6: Final answer
    x = 37,995.90

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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.