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Finding the Fourth Proportional to 45,355.68, 67,945.68 and 25,573.68

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Solution

The fourth proportional to 45,355.68, 67,945.68 and 25,573.68 is: 38,310.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,355.68 : 67,945.68 = 25,573.68 : x
  2. Step 2: Convert to fraction form
    45,355.68/67,945.68 = 25,573.68/x
  3. Step 3: Cross multiply
    45,355.68x = 67,945.68 × 25,573.68
  4. Step 4: Simplify right side
    45,355.68x = 1,737,621,077.70
  5. Step 5: Solve for x
    x = 1,737,621,077.70/45,355.68
  6. Step 6: Final answer
    x = 38,310.99

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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.