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Finding the Fourth Proportional to 65,937.51, 90,993.63 and 35,723.58

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Solution

The fourth proportional to 65,937.51, 90,993.63 and 35,723.58 is: 49,298.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,937.51 : 90,993.63 = 35,723.58 : x
  2. Step 2: Convert to fraction form
    65,937.51/90,993.63 = 35,723.58/x
  3. Step 3: Cross multiply
    65,937.51x = 90,993.63 × 35,723.58
  4. Step 4: Simplify right side
    65,937.51x = 3,250,618,606.68
  5. Step 5: Solve for x
    x = 3,250,618,606.68/65,937.51
  6. Step 6: Final answer
    x = 49,298.48

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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.