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Finding the Fourth Proportional to 65,839.76, 90,858.48 and 37,544.84

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Solution

The fourth proportional to 65,839.76, 90,858.48 and 37,544.84 is: 51,811.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,839.76 : 90,858.48 = 37,544.84 : x
  2. Step 2: Convert to fraction form
    65,839.76/90,858.48 = 37,544.84/x
  3. Step 3: Cross multiply
    65,839.76x = 90,858.48 × 37,544.84
  4. Step 4: Simplify right side
    65,839.76x = 3,411,267,094.24
  5. Step 5: Solve for x
    x = 3,411,267,094.24/65,839.76
  6. Step 6: Final answer
    x = 51,811.66

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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.