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Finding the Fourth Proportional to 63,998.70, 88,317.44 and 35,318.58

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Solution

The fourth proportional to 63,998.70, 88,317.44 and 35,318.58 is: 48,739.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,998.70 : 88,317.44 = 35,318.58 : x
  2. Step 2: Convert to fraction form
    63,998.70/88,317.44 = 35,318.58/x
  3. Step 3: Cross multiply
    63,998.70x = 88,317.44 × 35,318.58
  4. Step 4: Simplify right side
    63,998.70x = 3,119,246,570.04
  5. Step 5: Solve for x
    x = 3,119,246,570.04/63,998.70
  6. Step 6: Final answer
    x = 48,739.22

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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.