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Finding the Fourth Proportional to 65,953.74, 90,993.03 and 37,269.66

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Solution

The fourth proportional to 65,953.74, 90,993.03 and 37,269.66 is: 51,419.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,953.74 : 90,993.03 = 37,269.66 : x
  2. Step 2: Convert to fraction form
    65,953.74/90,993.03 = 37,269.66/x
  3. Step 3: Cross multiply
    65,953.74x = 90,993.03 × 37,269.66
  4. Step 4: Simplify right side
    65,953.74x = 3,391,279,290.47
  5. Step 5: Solve for x
    x = 3,391,279,290.47/65,953.74
  6. Step 6: Final answer
    x = 51,419.06

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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.