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Finding the Fourth Proportional to 64,206.75, 88,605.66 and 35,912.43

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Solution

The fourth proportional to 64,206.75, 88,605.66 and 35,912.43 is: 49,559.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,206.75 : 88,605.66 = 35,912.43 : x
  2. Step 2: Convert to fraction form
    64,206.75/88,605.66 = 35,912.43/x
  3. Step 3: Cross multiply
    64,206.75x = 88,605.66 × 35,912.43
  4. Step 4: Simplify right side
    64,206.75x = 3,182,044,562.35
  5. Step 5: Solve for x
    x = 3,182,044,562.35/64,206.75
  6. Step 6: Final answer
    x = 49,559.35

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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.