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Finding the Fourth Proportional to 64,286.53, 88,713.45 and 35,605.06

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Solution

The fourth proportional to 64,286.53, 88,713.45 and 35,605.06 is: 49,133.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,286.53 : 88,713.45 = 35,605.06 : x
  2. Step 2: Convert to fraction form
    64,286.53/88,713.45 = 35,605.06/x
  3. Step 3: Cross multiply
    64,286.53x = 88,713.45 × 35,605.06
  4. Step 4: Simplify right side
    64,286.53x = 3,158,647,266.49
  5. Step 5: Solve for x
    x = 3,158,647,266.49/64,286.53
  6. Step 6: Final answer
    x = 49,133.89

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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.