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Finding the Fourth Proportional to 63,054.77, 87,015.60 and 34,760.48

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Solution

The fourth proportional to 63,054.77, 87,015.60 and 34,760.48 is: 47,969.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,054.77 : 87,015.60 = 34,760.48 : x
  2. Step 2: Convert to fraction form
    63,054.77/87,015.60 = 34,760.48/x
  3. Step 3: Cross multiply
    63,054.77x = 87,015.60 × 34,760.48
  4. Step 4: Simplify right side
    63,054.77x = 3,024,703,588.41
  5. Step 5: Solve for x
    x = 3,024,703,588.41/63,054.77
  6. Step 6: Final answer
    x = 47,969.47

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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.