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Finding the Fourth Proportional to 60,147.93, 90,224.87 and 15,774.78

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Solution

The fourth proportional to 60,147.93, 90,224.87 and 15,774.78 is: 23,662.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,147.93 : 90,224.87 = 15,774.78 : x
  2. Step 2: Convert to fraction form
    60,147.93/90,224.87 = 15,774.78/x
  3. Step 3: Cross multiply
    60,147.93x = 90,224.87 × 15,774.78
  4. Step 4: Simplify right side
    60,147.93x = 1,423,277,395.90
  5. Step 5: Solve for x
    x = 1,423,277,395.90/60,147.93
  6. Step 6: Final answer
    x = 23,662.95

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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.