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Finding the Fourth Proportional to 53,309.95, 79,797.25 and 36,572.11

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Solution

The fourth proportional to 53,309.95, 79,797.25 and 36,572.11 is: 54,743.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,309.95 : 79,797.25 = 36,572.11 : x
  2. Step 2: Convert to fraction form
    53,309.95/79,797.25 = 36,572.11/x
  3. Step 3: Cross multiply
    53,309.95x = 79,797.25 × 36,572.11
  4. Step 4: Simplify right side
    53,309.95x = 2,918,353,650.92
  5. Step 5: Solve for x
    x = 2,918,353,650.92/53,309.95
  6. Step 6: Final answer
    x = 54,743.13

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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.