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Finding the Fourth Proportional to 64,901.67, 89,548.79 and 36,607.43

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Solution

The fourth proportional to 64,901.67, 89,548.79 and 36,607.43 is: 50,509.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,901.67 : 89,548.79 = 36,607.43 : x
  2. Step 2: Convert to fraction form
    64,901.67/89,548.79 = 36,607.43/x
  3. Step 3: Cross multiply
    64,901.67x = 89,548.79 × 36,607.43
  4. Step 4: Simplify right side
    64,901.67x = 3,278,150,430.73
  5. Step 5: Solve for x
    x = 3,278,150,430.73/64,901.67
  6. Step 6: Final answer
    x = 50,509.49

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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.