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Finding the Fourth Proportional to 60,579.74, 90,884.18 and 25,529.42

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Solution

The fourth proportional to 60,579.74, 90,884.18 and 25,529.42 is: 38,300.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,579.74 : 90,884.18 = 25,529.42 : x
  2. Step 2: Convert to fraction form
    60,579.74/90,884.18 = 25,529.42/x
  3. Step 3: Cross multiply
    60,579.74x = 90,884.18 × 25,529.42
  4. Step 4: Simplify right side
    60,579.74x = 2,320,220,011.98
  5. Step 5: Solve for x
    x = 2,320,220,011.98/60,579.74
  6. Step 6: Final answer
    x = 38,300.27

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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.