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Finding the Fourth Proportional to 63,108.40, 87,079.44 and 35,881.60

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Solution

The fourth proportional to 63,108.40, 87,079.44 and 35,881.60 is: 49,510.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,108.40 : 87,079.44 = 35,881.60 : x
  2. Step 2: Convert to fraction form
    63,108.40/87,079.44 = 35,881.60/x
  3. Step 3: Cross multiply
    63,108.40x = 87,079.44 × 35,881.60
  4. Step 4: Simplify right side
    63,108.40x = 3,124,549,634.30
  5. Step 5: Solve for x
    x = 3,124,549,634.30/63,108.40
  6. Step 6: Final answer
    x = 49,510.84

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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.