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Finding the Fourth Proportional to 66,562.14, 91,855.04 and 36,347.37

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Solution

The fourth proportional to 66,562.14, 91,855.04 and 36,347.37 is: 50,158.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,562.14 : 91,855.04 = 36,347.37 : x
  2. Step 2: Convert to fraction form
    66,562.14/91,855.04 = 36,347.37/x
  3. Step 3: Cross multiply
    66,562.14x = 91,855.04 × 36,347.37
  4. Step 4: Simplify right side
    66,562.14x = 3,338,688,943.51
  5. Step 5: Solve for x
    x = 3,338,688,943.51/66,562.14
  6. Step 6: Final answer
    x = 50,158.98

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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.