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Finding the Fourth Proportional to 58,980, 88,262.20 and 36,803.80

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Solution

The fourth proportional to 58,980, 88,262.20 and 36,803.80 is: 55,076.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,980 : 88,262.20 = 36,803.80 : x
  2. Step 2: Convert to fraction form
    58,980/88,262.20 = 36,803.80/x
  3. Step 3: Cross multiply
    58,980x = 88,262.20 × 36,803.80
  4. Step 4: Simplify right side
    58,980x = 3,248,384,356.36
  5. Step 5: Solve for x
    x = 3,248,384,356.36/58,980
  6. Step 6: Final answer
    x = 55,076.03

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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.