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Finding the Fourth Proportional to 52,737.79, 79,107 and 21,573.04

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Solution

The fourth proportional to 52,737.79, 79,107 and 21,573.04 is: 32,359.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,737.79 : 79,107 = 21,573.04 : x
  2. Step 2: Convert to fraction form
    52,737.79/79,107 = 21,573.04/x
  3. Step 3: Cross multiply
    52,737.79x = 79,107 × 21,573.04
  4. Step 4: Simplify right side
    52,737.79x = 1,706,578,475.28
  5. Step 5: Solve for x
    x = 1,706,578,475.28/52,737.79
  6. Step 6: Final answer
    x = 32,359.69

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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.