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Finding the Fourth Proportional to 32,679.40, 48,905.70 and 19,541.20

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Solution

The fourth proportional to 32,679.40, 48,905.70 and 19,541.20 is: 29,243.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,679.40 : 48,905.70 = 19,541.20 : x
  2. Step 2: Convert to fraction form
    32,679.40/48,905.70 = 19,541.20/x
  3. Step 3: Cross multiply
    32,679.40x = 48,905.70 × 19,541.20
  4. Step 4: Simplify right side
    32,679.40x = 955,676,064.84
  5. Step 5: Solve for x
    x = 955,676,064.84/32,679.40
  6. Step 6: Final answer
    x = 29,243.99

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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.