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Finding the Fourth Proportional to 52,797.24, 72,862.01 and 28,923.90

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Solution

The fourth proportional to 52,797.24, 72,862.01 and 28,923.90 is: 39,915.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,797.24 : 72,862.01 = 28,923.90 : x
  2. Step 2: Convert to fraction form
    52,797.24/72,862.01 = 28,923.90/x
  3. Step 3: Cross multiply
    52,797.24x = 72,862.01 × 28,923.90
  4. Step 4: Simplify right side
    52,797.24x = 2,107,453,728.12
  5. Step 5: Solve for x
    x = 2,107,453,728.12/52,797.24
  6. Step 6: Final answer
    x = 39,915.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.