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Finding the Fourth Proportional to 72,330.30, 108,495.45 and 32,964.30

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Solution

The fourth proportional to 72,330.30, 108,495.45 and 32,964.30 is: 49,446.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,330.30 : 108,495.45 = 32,964.30 : x
  2. Step 2: Convert to fraction form
    72,330.30/108,495.45 = 32,964.30/x
  3. Step 3: Cross multiply
    72,330.30x = 108,495.45 × 32,964.30
  4. Step 4: Simplify right side
    72,330.30x = 3,576,476,562.44
  5. Step 5: Solve for x
    x = 3,576,476,562.44/72,330.30
  6. Step 6: Final answer
    x = 49,446.45

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1.5x scale

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.