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Finding the Fourth Proportional to 60,270.87, 90,412.38 and 15,900.69

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Solution

The fourth proportional to 60,270.87, 90,412.38 and 15,900.69 is: 23,852.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,270.87 : 90,412.38 = 15,900.69 : x
  2. Step 2: Convert to fraction form
    60,270.87/90,412.38 = 15,900.69/x
  3. Step 3: Cross multiply
    60,270.87x = 90,412.38 × 15,900.69
  4. Step 4: Simplify right side
    60,270.87x = 1,437,619,226.54
  5. Step 5: Solve for x
    x = 1,437,619,226.54/60,270.87
  6. Step 6: Final answer
    x = 23,852.64

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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.