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Finding the Fourth Proportional to 65,806.08, 90,811.52 and 37,512.24

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Solution

The fourth proportional to 65,806.08, 90,811.52 and 37,512.24 is: 51,766.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,806.08 : 90,811.52 = 37,512.24 : x
  2. Step 2: Convert to fraction form
    65,806.08/90,811.52 = 37,512.24/x
  3. Step 3: Cross multiply
    65,806.08x = 90,811.52 × 37,512.24
  4. Step 4: Simplify right side
    65,806.08x = 3,406,543,533.00
  5. Step 5: Solve for x
    x = 3,406,543,533.00/65,806.08
  6. Step 6: Final answer
    x = 51,766.40

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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.