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Finding the Fourth Proportional to 36,868.56, 55,303.05 and 9,166.56

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Solution

The fourth proportional to 36,868.56, 55,303.05 and 9,166.56 is: 13,749.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,868.56 : 55,303.05 = 9,166.56 : x
  2. Step 2: Convert to fraction form
    36,868.56/55,303.05 = 9,166.56/x
  3. Step 3: Cross multiply
    36,868.56x = 55,303.05 × 9,166.56
  4. Step 4: Simplify right side
    36,868.56x = 506,938,726.01
  5. Step 5: Solve for x
    x = 506,938,726.01/36,868.56
  6. Step 6: Final answer
    x = 13,749.89

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.