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Finding the Fourth Proportional to 63,927.70, 88,215.81 and 35,631.70

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Solution

The fourth proportional to 63,927.70, 88,215.81 and 35,631.70 is: 49,169.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,927.70 : 88,215.81 = 35,631.70 : x
  2. Step 2: Convert to fraction form
    63,927.70/88,215.81 = 35,631.70/x
  3. Step 3: Cross multiply
    63,927.70x = 88,215.81 × 35,631.70
  4. Step 4: Simplify right side
    63,927.70x = 3,143,279,277.18
  5. Step 5: Solve for x
    x = 3,143,279,277.18/63,927.70
  6. Step 6: Final answer
    x = 49,169.28

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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.