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Finding the Fourth Proportional to 47,305.64, 70,958.72 and 14,025.98

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Solution

The fourth proportional to 47,305.64, 70,958.72 and 14,025.98 is: 21,039.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,305.64 : 70,958.72 = 14,025.98 : x
  2. Step 2: Convert to fraction form
    47,305.64/70,958.72 = 14,025.98/x
  3. Step 3: Cross multiply
    47,305.64x = 70,958.72 × 14,025.98
  4. Step 4: Simplify right side
    47,305.64x = 995,265,267.82
  5. Step 5: Solve for x
    x = 995,265,267.82/47,305.64
  6. Step 6: Final answer
    x = 21,039.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.