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Finding the Fourth Proportional to 64,671.68, 89,246.04 and 36,377.39

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Solution

The fourth proportional to 64,671.68, 89,246.04 and 36,377.39 is: 50,200.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,671.68 : 89,246.04 = 36,377.39 : x
  2. Step 2: Convert to fraction form
    64,671.68/89,246.04 = 36,377.39/x
  3. Step 3: Cross multiply
    64,671.68x = 89,246.04 × 36,377.39
  4. Step 4: Simplify right side
    64,671.68x = 3,246,538,003.04
  5. Step 5: Solve for x
    x = 3,246,538,003.04/64,671.68
  6. Step 6: Final answer
    x = 50,200.30

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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.