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Finding the Fourth Proportional to 71,025.76, 106,604.08 and 35,990.24

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Solution

The fourth proportional to 71,025.76, 106,604.08 and 35,990.24 is: 54,018.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,025.76 : 106,604.08 = 35,990.24 : x
  2. Step 2: Convert to fraction form
    71,025.76/106,604.08 = 35,990.24/x
  3. Step 3: Cross multiply
    71,025.76x = 106,604.08 × 35,990.24
  4. Step 4: Simplify right side
    71,025.76x = 3,836,706,424.18
  5. Step 5: Solve for x
    x = 3,836,706,424.18/71,025.76
  6. Step 6: Final answer
    x = 54,018.52

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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.