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Finding the Fourth Proportional to 65,798.44, 90,798.39 and 37,117.27

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Solution

The fourth proportional to 65,798.44, 90,798.39 and 37,117.27 is: 51,219.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,798.44 : 90,798.39 = 37,117.27 : x
  2. Step 2: Convert to fraction form
    65,798.44/90,798.39 = 37,117.27/x
  3. Step 3: Cross multiply
    65,798.44x = 90,798.39 × 37,117.27
  4. Step 4: Simplify right side
    65,798.44x = 3,370,188,357.20
  5. Step 5: Solve for x
    x = 3,370,188,357.20/65,798.44
  6. Step 6: Final answer
    x = 51,219.88

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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.