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Finding the Fourth Proportional to 52,309.60, 72,202.88 and 34,418.40

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Solution

The fourth proportional to 52,309.60, 72,202.88 and 34,418.40 is: 47,507.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,309.60 : 72,202.88 = 34,418.40 : x
  2. Step 2: Convert to fraction form
    52,309.60/72,202.88 = 34,418.40/x
  3. Step 3: Cross multiply
    52,309.60x = 72,202.88 × 34,418.40
  4. Step 4: Simplify right side
    52,309.60x = 2,485,107,604.99
  5. Step 5: Solve for x
    x = 2,485,107,604.99/52,309.60
  6. Step 6: Final answer
    x = 47,507.68

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1.5x scale

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.