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Finding the Fourth Proportional to 60,061.08, 90,092.94 and 20,618.53

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Solution

The fourth proportional to 60,061.08, 90,092.94 and 20,618.53 is: 30,928.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,061.08 : 90,092.94 = 20,618.53 : x
  2. Step 2: Convert to fraction form
    60,061.08/90,092.94 = 20,618.53/x
  3. Step 3: Cross multiply
    60,061.08x = 90,092.94 × 20,618.53
  4. Step 4: Simplify right side
    60,061.08x = 1,857,583,986.18
  5. Step 5: Solve for x
    x = 1,857,583,986.18/60,061.08
  6. Step 6: Final answer
    x = 30,928.25

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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.