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Finding the Fourth Proportional to 45,388.02, 67,950.54 and 37,908.48

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Solution

The fourth proportional to 45,388.02, 67,950.54 and 37,908.48 is: 56,752.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,388.02 : 67,950.54 = 37,908.48 : x
  2. Step 2: Convert to fraction form
    45,388.02/67,950.54 = 37,908.48/x
  3. Step 3: Cross multiply
    45,388.02x = 67,950.54 × 37,908.48
  4. Step 4: Simplify right side
    45,388.02x = 2,575,901,686.58
  5. Step 5: Solve for x
    x = 2,575,901,686.58/45,388.02
  6. Step 6: Final answer
    x = 56,752.90

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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.