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Finding the Fourth Proportional to 55,907.98, 83,900.85 and 36,137.50

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Solution

The fourth proportional to 55,907.98, 83,900.85 and 36,137.50 is: 54,231.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,907.98 : 83,900.85 = 36,137.50 : x
  2. Step 2: Convert to fraction form
    55,907.98/83,900.85 = 36,137.50/x
  3. Step 3: Cross multiply
    55,907.98x = 83,900.85 × 36,137.50
  4. Step 4: Simplify right side
    55,907.98x = 3,031,966,966.88
  5. Step 5: Solve for x
    x = 3,031,966,966.88/55,907.98
  6. Step 6: Final answer
    x = 54,231.38

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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.