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Finding the Fourth Proportional to 37,774.72, 56,662.08 and 10,072

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Solution

The fourth proportional to 37,774.72, 56,662.08 and 10,072 is: 15,108

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,774.72 : 56,662.08 = 10,072 : x
  2. Step 2: Convert to fraction form
    37,774.72/56,662.08 = 10,072/x
  3. Step 3: Cross multiply
    37,774.72x = 56,662.08 × 10,072
  4. Step 4: Simplify right side
    37,774.72x = 570,700,469.76
  5. Step 5: Solve for x
    x = 570,700,469.76/37,774.72
  6. Step 6: Final answer
    x = 15,108

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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.