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Finding the Fourth Proportional to 60,431.70, 90,647.55 and 41,404.80

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Solution

The fourth proportional to 60,431.70, 90,647.55 and 41,404.80 is: 62,107.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,431.70 : 90,647.55 = 41,404.80 : x
  2. Step 2: Convert to fraction form
    60,431.70/90,647.55 = 41,404.80/x
  3. Step 3: Cross multiply
    60,431.70x = 90,647.55 × 41,404.80
  4. Step 4: Simplify right side
    60,431.70x = 3,753,243,678.24
  5. Step 5: Solve for x
    x = 3,753,243,678.24/60,431.70
  6. Step 6: Final answer
    x = 62,107.20

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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.