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Finding the Fourth Proportional to 65,552, 90,469.48 and 37,261.92

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Solution

The fourth proportional to 65,552, 90,469.48 and 37,261.92 is: 51,425.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,552 : 90,469.48 = 37,261.92 : x
  2. Step 2: Convert to fraction form
    65,552/90,469.48 = 37,261.92/x
  3. Step 3: Cross multiply
    65,552x = 90,469.48 × 37,261.92
  4. Step 4: Simplify right side
    65,552x = 3,371,066,526.20
  5. Step 5: Solve for x
    x = 3,371,066,526.20/65,552
  6. Step 6: Final answer
    x = 51,425.84

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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.