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Finding the Fourth Proportional to 60,230.68, 90,338.34 and 15,860.86

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Solution

The fourth proportional to 60,230.68, 90,338.34 and 15,860.86 is: 23,789.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,230.68 : 90,338.34 = 15,860.86 : x
  2. Step 2: Convert to fraction form
    60,230.68/90,338.34 = 15,860.86/x
  3. Step 3: Cross multiply
    60,230.68x = 90,338.34 × 15,860.86
  4. Step 4: Simplify right side
    60,230.68x = 1,432,843,763.37
  5. Step 5: Solve for x
    x = 1,432,843,763.37/60,230.68
  6. Step 6: Final answer
    x = 23,789.27

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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.