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Finding the Fourth Proportional to 65,801.84, 90,806.27 and 35,587.19

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Solution

The fourth proportional to 65,801.84, 90,806.27 and 35,587.19 is: 49,110.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,801.84 : 90,806.27 = 35,587.19 : x
  2. Step 2: Convert to fraction form
    65,801.84/90,806.27 = 35,587.19/x
  3. Step 3: Cross multiply
    65,801.84x = 90,806.27 × 35,587.19
  4. Step 4: Simplify right side
    65,801.84x = 3,231,540,299.66
  5. Step 5: Solve for x
    x = 3,231,540,299.66/65,801.84
  6. Step 6: Final answer
    x = 49,110.18

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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.