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Finding the Fourth Proportional to 64,657.17, 89,216.46 and 36,361.17

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Solution

The fourth proportional to 64,657.17, 89,216.46 and 36,361.17 is: 50,172.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,657.17 : 89,216.46 = 36,361.17 : x
  2. Step 2: Convert to fraction form
    64,657.17/89,216.46 = 36,361.17/x
  3. Step 3: Cross multiply
    64,657.17x = 89,216.46 × 36,361.17
  4. Step 4: Simplify right side
    64,657.17x = 3,244,014,868.86
  5. Step 5: Solve for x
    x = 3,244,014,868.86/64,657.17
  6. Step 6: Final answer
    x = 50,172.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.