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Finding the Fourth Proportional to 53,360.94, 80,041.38 and 13,917.94

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Solution

The fourth proportional to 53,360.94, 80,041.38 and 13,917.94 is: 20,876.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,360.94 : 80,041.38 = 13,917.94 : x
  2. Step 2: Convert to fraction form
    53,360.94/80,041.38 = 13,917.94/x
  3. Step 3: Cross multiply
    53,360.94x = 80,041.38 × 13,917.94
  4. Step 4: Simplify right side
    53,360.94x = 1,114,011,124.36
  5. Step 5: Solve for x
    x = 1,114,011,124.36/53,360.94
  6. Step 6: Final answer
    x = 20,876.90

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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.