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Finding the Fourth Proportional to 65,504.81, 90,394.04 and 37,207.37

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Solution

The fourth proportional to 65,504.81, 90,394.04 and 37,207.37 is: 51,344.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,504.81 : 90,394.04 = 37,207.37 : x
  2. Step 2: Convert to fraction form
    65,504.81/90,394.04 = 37,207.37/x
  3. Step 3: Cross multiply
    65,504.81x = 90,394.04 × 37,207.37
  4. Step 4: Simplify right side
    65,504.81x = 3,363,324,306.04
  5. Step 5: Solve for x
    x = 3,363,324,306.04/65,504.81
  6. Step 6: Final answer
    x = 51,344.69

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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.