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Finding the Fourth Proportional to 65,937.55, 90,993.70 and 35,723.63

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Solution

The fourth proportional to 65,937.55, 90,993.70 and 35,723.63 is: 49,298.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,937.55 : 90,993.70 = 35,723.63 : x
  2. Step 2: Convert to fraction form
    65,937.55/90,993.70 = 35,723.63/x
  3. Step 3: Cross multiply
    65,937.55x = 90,993.70 × 35,723.63
  4. Step 4: Simplify right side
    65,937.55x = 3,250,625,092.51
  5. Step 5: Solve for x
    x = 3,250,625,092.51/65,937.55
  6. Step 6: Final answer
    x = 49,298.55

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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.