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Finding the Fourth Proportional to 53,818.94, 80,718.87 and 16,369.94

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Solution

The fourth proportional to 53,818.94, 80,718.87 and 16,369.94 is: 24,552.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,818.94 : 80,718.87 = 16,369.94 : x
  2. Step 2: Convert to fraction form
    53,818.94/80,718.87 = 16,369.94/x
  3. Step 3: Cross multiply
    53,818.94x = 80,718.87 × 16,369.94
  4. Step 4: Simplify right side
    53,818.94x = 1,321,363,058.77
  5. Step 5: Solve for x
    x = 1,321,363,058.77/53,818.94
  6. Step 6: Final answer
    x = 24,552.01

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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.