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Finding the Fourth Proportional to 52,737.76, 79,119.33 and 21,573.10

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Solution

The fourth proportional to 52,737.76, 79,119.33 and 21,573.10 is: 32,364.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,737.76 : 79,119.33 = 21,573.10 : x
  2. Step 2: Convert to fraction form
    52,737.76/79,119.33 = 21,573.10/x
  3. Step 3: Cross multiply
    52,737.76x = 79,119.33 × 21,573.10
  4. Step 4: Simplify right side
    52,737.76x = 1,706,849,218.02
  5. Step 5: Solve for x
    x = 1,706,849,218.02/52,737.76
  6. Step 6: Final answer
    x = 32,364.84

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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.