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Finding the Fourth Proportional to 66,325.42, 91,526.92 and 37,647.37

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Solution

The fourth proportional to 66,325.42, 91,526.92 and 37,647.37 is: 51,952.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,325.42 : 91,526.92 = 37,647.37 : x
  2. Step 2: Convert to fraction form
    66,325.42/91,526.92 = 37,647.37/x
  3. Step 3: Cross multiply
    66,325.42x = 91,526.92 × 37,647.37
  4. Step 4: Simplify right side
    66,325.42x = 3,445,747,822.20
  5. Step 5: Solve for x
    x = 3,445,747,822.20/66,325.42
  6. Step 6: Final answer
    x = 51,952.14

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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.