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Finding the Fourth Proportional to 60,608.01, 90,913.48 and 20,626.92

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Solution

The fourth proportional to 60,608.01, 90,913.48 and 20,626.92 is: 30,940.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,608.01 : 90,913.48 = 20,626.92 : x
  2. Step 2: Convert to fraction form
    60,608.01/90,913.48 = 20,626.92/x
  3. Step 3: Cross multiply
    60,608.01x = 90,913.48 × 20,626.92
  4. Step 4: Simplify right side
    60,608.01x = 1,875,264,624.31
  5. Step 5: Solve for x
    x = 1,875,264,624.31/60,608.01
  6. Step 6: Final answer
    x = 30,940.87

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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.