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Finding the Fourth Proportional to 64,877.67, 89,534.30 and 36,582.75

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Solution

The fourth proportional to 64,877.67, 89,534.30 and 36,582.75 is: 50,485.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,877.67 : 89,534.30 = 36,582.75 : x
  2. Step 2: Convert to fraction form
    64,877.67/89,534.30 = 36,582.75/x
  3. Step 3: Cross multiply
    64,877.67x = 89,534.30 × 36,582.75
  4. Step 4: Simplify right side
    64,877.67x = 3,275,410,730.41
  5. Step 5: Solve for x
    x = 3,275,410,730.41/64,877.67
  6. Step 6: Final answer
    x = 50,485.95

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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.