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Finding the Fourth Proportional to 65,968.44, 91,036.56 and 35,753.76

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Solution

The fourth proportional to 65,968.44, 91,036.56 and 35,753.76 is: 49,340.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,968.44 : 91,036.56 = 35,753.76 : x
  2. Step 2: Convert to fraction form
    65,968.44/91,036.56 = 35,753.76/x
  3. Step 3: Cross multiply
    65,968.44x = 91,036.56 × 35,753.76
  4. Step 4: Simplify right side
    65,968.44x = 3,254,899,317.47
  5. Step 5: Solve for x
    x = 3,254,899,317.47/65,968.44
  6. Step 6: Final answer
    x = 49,340.25

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1.5x scale

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.