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Finding the Fourth Proportional to 63,314, 87,365.76 and 35,015.84

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Solution

The fourth proportional to 63,314, 87,365.76 and 35,015.84 is: 48,317.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,314 : 87,365.76 = 35,015.84 : x
  2. Step 2: Convert to fraction form
    63,314/87,365.76 = 35,015.84/x
  3. Step 3: Cross multiply
    63,314x = 87,365.76 × 35,015.84
  4. Step 4: Simplify right side
    63,314x = 3,059,185,473.64
  5. Step 5: Solve for x
    x = 3,059,185,473.64/63,314
  6. Step 6: Final answer
    x = 48,317.68

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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.