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Finding the Fourth Proportional to 63,309.36, 87,366.08 and 35,014.40

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Solution

The fourth proportional to 63,309.36, 87,366.08 and 35,014.40 is: 48,319.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,309.36 : 87,366.08 = 35,014.40 : x
  2. Step 2: Convert to fraction form
    63,309.36/87,366.08 = 35,014.40/x
  3. Step 3: Cross multiply
    63,309.36x = 87,366.08 × 35,014.40
  4. Step 4: Simplify right side
    63,309.36x = 3,059,070,871.55
  5. Step 5: Solve for x
    x = 3,059,070,871.55/63,309.36
  6. Step 6: Final answer
    x = 48,319.41

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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.