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Finding the Fourth Proportional to 37,752.80, 56,661.60 and 16,725.20

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Solution

The fourth proportional to 37,752.80, 56,661.60 and 16,725.20 is: 25,102.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,752.80 : 56,661.60 = 16,725.20 : x
  2. Step 2: Convert to fraction form
    37,752.80/56,661.60 = 16,725.20/x
  3. Step 3: Cross multiply
    37,752.80x = 56,661.60 × 16,725.20
  4. Step 4: Simplify right side
    37,752.80x = 947,676,592.32
  5. Step 5: Solve for x
    x = 947,676,592.32/37,752.80
  6. Step 6: Final answer
    x = 25,102.15

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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.