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Finding the Fourth Proportional to 65,275.50, 90,080.73 and 35,467.50

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Solution

The fourth proportional to 65,275.50, 90,080.73 and 35,467.50 is: 48,945.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,275.50 : 90,080.73 = 35,467.50 : x
  2. Step 2: Convert to fraction form
    65,275.50/90,080.73 = 35,467.50/x
  3. Step 3: Cross multiply
    65,275.50x = 90,080.73 × 35,467.50
  4. Step 4: Simplify right side
    65,275.50x = 3,194,938,291.28
  5. Step 5: Solve for x
    x = 3,194,938,291.28/65,275.50
  6. Step 6: Final answer
    x = 48,945.44

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.