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Finding the Fourth Proportional to 50,392, 75,588.72 and 17,560

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Solution

The fourth proportional to 50,392, 75,588.72 and 17,560 is: 26,340.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,392 : 75,588.72 = 17,560 : x
  2. Step 2: Convert to fraction form
    50,392/75,588.72 = 17,560/x
  3. Step 3: Cross multiply
    50,392x = 75,588.72 × 17,560
  4. Step 4: Simplify right side
    50,392x = 1,327,337,923.20
  5. Step 5: Solve for x
    x = 1,327,337,923.20/50,392
  6. Step 6: Final answer
    x = 26,340.25

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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.