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Finding the Fourth Proportional to 60,981.58, 91,469.60 and 25,428.24

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Solution

The fourth proportional to 60,981.58, 91,469.60 and 25,428.24 is: 38,141.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,981.58 : 91,469.60 = 25,428.24 : x
  2. Step 2: Convert to fraction form
    60,981.58/91,469.60 = 25,428.24/x
  3. Step 3: Cross multiply
    60,981.58x = 91,469.60 × 25,428.24
  4. Step 4: Simplify right side
    60,981.58x = 2,325,910,941.50
  5. Step 5: Solve for x
    x = 2,325,910,941.50/60,981.58
  6. Step 6: Final answer
    x = 38,141.20

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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.