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Finding the Fourth Proportional to 69,725.70, 104,633.04 and 25,348.20

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Solution

The fourth proportional to 69,725.70, 104,633.04 and 25,348.20 is: 38,038.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,725.70 : 104,633.04 = 25,348.20 : x
  2. Step 2: Convert to fraction form
    69,725.70/104,633.04 = 25,348.20/x
  3. Step 3: Cross multiply
    69,725.70x = 104,633.04 × 25,348.20
  4. Step 4: Simplify right side
    69,725.70x = 2,652,259,224.53
  5. Step 5: Solve for x
    x = 2,652,259,224.53/69,725.70
  6. Step 6: Final answer
    x = 38,038.47

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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.