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Finding the Fourth Proportional to 52,581.68, 72,578.25 and 36,671.25

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Solution

The fourth proportional to 52,581.68, 72,578.25 and 36,671.25 is: 50,617.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,581.68 : 72,578.25 = 36,671.25 : x
  2. Step 2: Convert to fraction form
    52,581.68/72,578.25 = 36,671.25/x
  3. Step 3: Cross multiply
    52,581.68x = 72,578.25 × 36,671.25
  4. Step 4: Simplify right side
    52,581.68x = 2,661,535,422.48
  5. Step 5: Solve for x
    x = 2,661,535,422.48/52,581.68
  6. Step 6: Final answer
    x = 50,617.16

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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.