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Finding the Fourth Proportional to 48,295.38, 72,463.01 and 21,263.84

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Solution

The fourth proportional to 48,295.38, 72,463.01 and 21,263.84 is: 31,904.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,295.38 : 72,463.01 = 21,263.84 : x
  2. Step 2: Convert to fraction form
    48,295.38/72,463.01 = 21,263.84/x
  3. Step 3: Cross multiply
    48,295.38x = 72,463.01 × 21,263.84
  4. Step 4: Simplify right side
    48,295.38x = 1,540,841,381.92
  5. Step 5: Solve for x
    x = 1,540,841,381.92/48,295.38
  6. Step 6: Final answer
    x = 31,904.53

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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.