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Finding the Fourth Proportional to 100,595.40, 150,893.07 and 25,715.70

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Solution

The fourth proportional to 100,595.40, 150,893.07 and 25,715.70 is: 38,573.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,595.40 : 150,893.07 = 25,715.70 : x
  2. Step 2: Convert to fraction form
    100,595.40/150,893.07 = 25,715.70/x
  3. Step 3: Cross multiply
    100,595.40x = 150,893.07 × 25,715.70
  4. Step 4: Simplify right side
    100,595.40x = 3,880,320,920.20
  5. Step 5: Solve for x
    x = 3,880,320,920.20/100,595.40
  6. Step 6: Final answer
    x = 38,573.54

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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.