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Finding the Fourth Proportional to 85,025, 127,517.52 and 35,055.56

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Solution

The fourth proportional to 85,025, 127,517.52 and 35,055.56 is: 52,575.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,025 : 127,517.52 = 35,055.56 : x
  2. Step 2: Convert to fraction form
    85,025/127,517.52 = 35,055.56/x
  3. Step 3: Cross multiply
    85,025x = 127,517.52 × 35,055.56
  4. Step 4: Simplify right side
    85,025x = 4,470,198,073.41
  5. Step 5: Solve for x
    x = 4,470,198,073.41/85,025
  6. Step 6: Final answer
    x = 52,575.10

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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.