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Finding the Fourth Proportional to 52,697.79, 72,722.00 and 28,824.26

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Solution

The fourth proportional to 52,697.79, 72,722.00 and 28,824.26 is: 39,776.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,697.79 : 72,722.00 = 28,824.26 : x
  2. Step 2: Convert to fraction form
    52,697.79/72,722.00 = 28,824.26/x
  3. Step 3: Cross multiply
    52,697.79x = 72,722.00 × 28,824.26
  4. Step 4: Simplify right side
    52,697.79x = 2,096,157,544.17
  5. Step 5: Solve for x
    x = 2,096,157,544.17/52,697.79
  6. Step 6: Final answer
    x = 39,776.95

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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.