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Finding the Fourth Proportional to 73,607.10, 101,579.67 and 45,318.30

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Solution

The fourth proportional to 73,607.10, 101,579.67 and 45,318.30 is: 62,540.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,607.10 : 101,579.67 = 45,318.30 : x
  2. Step 2: Convert to fraction form
    73,607.10/101,579.67 = 45,318.30/x
  3. Step 3: Cross multiply
    73,607.10x = 101,579.67 × 45,318.30
  4. Step 4: Simplify right side
    73,607.10x = 4,603,417,958.96
  5. Step 5: Solve for x
    x = 4,603,417,958.96/73,607.10
  6. Step 6: Final answer
    x = 62,540.41

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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.