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Finding the Fourth Proportional to 60,906.60, 91,446.30 and 37,578.60

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Solution

The fourth proportional to 60,906.60, 91,446.30 and 37,578.60 is: 56,421.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,906.60 : 91,446.30 = 37,578.60 : x
  2. Step 2: Convert to fraction form
    60,906.60/91,446.30 = 37,578.60/x
  3. Step 3: Cross multiply
    60,906.60x = 91,446.30 × 37,578.60
  4. Step 4: Simplify right side
    60,906.60x = 3,436,423,929.18
  5. Step 5: Solve for x
    x = 3,436,423,929.18/60,906.60
  6. Step 6: Final answer
    x = 56,421.21

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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.