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Finding the Fourth Proportional to 65,302.39, 97,990.44 and 27,858.52

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Solution

The fourth proportional to 65,302.39, 97,990.44 and 27,858.52 is: 41,803.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,302.39 : 97,990.44 = 27,858.52 : x
  2. Step 2: Convert to fraction form
    65,302.39/97,990.44 = 27,858.52/x
  3. Step 3: Cross multiply
    65,302.39x = 97,990.44 × 27,858.52
  4. Step 4: Simplify right side
    65,302.39x = 2,729,868,632.55
  5. Step 5: Solve for x
    x = 2,729,868,632.55/65,302.39
  6. Step 6: Final answer
    x = 41,803.50

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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.