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Finding the Fourth Proportional to 45,764.70, 68,513.40 and 32,642.70

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Solution

The fourth proportional to 45,764.70, 68,513.40 and 32,642.70 is: 48,868.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,764.70 : 68,513.40 = 32,642.70 : x
  2. Step 2: Convert to fraction form
    45,764.70/68,513.40 = 32,642.70/x
  3. Step 3: Cross multiply
    45,764.70x = 68,513.40 × 32,642.70
  4. Step 4: Simplify right side
    45,764.70x = 2,236,462,362.18
  5. Step 5: Solve for x
    x = 2,236,462,362.18/45,764.70
  6. Step 6: Final answer
    x = 48,868.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.