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Finding the Fourth Proportional to 37,012.16, 55,516.08 and 9,308

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Solution

The fourth proportional to 37,012.16, 55,516.08 and 9,308 is: 13,961.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,012.16 : 55,516.08 = 9,308 : x
  2. Step 2: Convert to fraction form
    37,012.16/55,516.08 = 9,308/x
  3. Step 3: Cross multiply
    37,012.16x = 55,516.08 × 9,308
  4. Step 4: Simplify right side
    37,012.16x = 516,743,672.64
  5. Step 5: Solve for x
    x = 516,743,672.64/37,012.16
  6. Step 6: Final answer
    x = 13,961.46

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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.