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Finding the Fourth Proportional to 60,153.75, 90,230.63 and 18,600.75

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Solution

The fourth proportional to 60,153.75, 90,230.63 and 18,600.75 is: 27,901.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,153.75 : 90,230.63 = 18,600.75 : x
  2. Step 2: Convert to fraction form
    60,153.75/90,230.63 = 18,600.75/x
  3. Step 3: Cross multiply
    60,153.75x = 90,230.63 × 18,600.75
  4. Step 4: Simplify right side
    60,153.75x = 1,678,357,297.97
  5. Step 5: Solve for x
    x = 1,678,357,297.97/60,153.75
  6. Step 6: Final answer
    x = 27,901.13

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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.