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Finding the Fourth Proportional to 47,293.66, 70,940.49 and 14,014.20

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Solution

The fourth proportional to 47,293.66, 70,940.49 and 14,014.20 is: 21,021.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,293.66 : 70,940.49 = 14,014.20 : x
  2. Step 2: Convert to fraction form
    47,293.66/70,940.49 = 14,014.20/x
  3. Step 3: Cross multiply
    47,293.66x = 70,940.49 × 14,014.20
  4. Step 4: Simplify right side
    47,293.66x = 994,174,214.96
  5. Step 5: Solve for x
    x = 994,174,214.96/47,293.66
  6. Step 6: Final answer
    x = 21,021.30

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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.