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Finding the Fourth Proportional to 65,566.06, 90,480.75 and 37,271.75

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Solution

The fourth proportional to 65,566.06, 90,480.75 and 37,271.75 is: 51,434.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,566.06 : 90,480.75 = 37,271.75 : x
  2. Step 2: Convert to fraction form
    65,566.06/90,480.75 = 37,271.75/x
  3. Step 3: Cross multiply
    65,566.06x = 90,480.75 × 37,271.75
  4. Step 4: Simplify right side
    65,566.06x = 3,372,375,301.64
  5. Step 5: Solve for x
    x = 3,372,375,301.64/65,566.06
  6. Step 6: Final answer
    x = 51,434.77

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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.