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Finding the Fourth Proportional to 52,649.60, 72,639.52 and 37,544.80

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Solution

The fourth proportional to 52,649.60, 72,639.52 and 37,544.80 is: 51,799.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,649.60 : 72,639.52 = 37,544.80 : x
  2. Step 2: Convert to fraction form
    52,649.60/72,639.52 = 37,544.80/x
  3. Step 3: Cross multiply
    52,649.60x = 72,639.52 × 37,544.80
  4. Step 4: Simplify right side
    52,649.60x = 2,727,236,250.50
  5. Step 5: Solve for x
    x = 2,727,236,250.50/52,649.60
  6. Step 6: Final answer
    x = 51,799.75

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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.