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Finding the Fourth Proportional to 36,980.01, 55,469.88 and 9,278.01

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Solution

The fourth proportional to 36,980.01, 55,469.88 and 9,278.01 is: 13,916.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,980.01 : 55,469.88 = 9,278.01 : x
  2. Step 2: Convert to fraction form
    36,980.01/55,469.88 = 9,278.01/x
  3. Step 3: Cross multiply
    36,980.01x = 55,469.88 × 9,278.01
  4. Step 4: Simplify right side
    36,980.01x = 514,650,101.34
  5. Step 5: Solve for x
    x = 514,650,101.34/36,980.01
  6. Step 6: Final answer
    x = 13,916.98

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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.