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Finding the Fourth Proportional to 60,264.60, 90,396.42 and 18,144.54

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Solution

The fourth proportional to 60,264.60, 90,396.42 and 18,144.54 is: 27,216.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,264.60 : 90,396.42 = 18,144.54 : x
  2. Step 2: Convert to fraction form
    60,264.60/90,396.42 = 18,144.54/x
  3. Step 3: Cross multiply
    60,264.60x = 90,396.42 × 18,144.54
  4. Step 4: Simplify right side
    60,264.60x = 1,640,201,458.55
  5. Step 5: Solve for x
    x = 1,640,201,458.55/60,264.60
  6. Step 6: Final answer
    x = 27,216.67

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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.