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Finding the Fourth Proportional to 14,979,672.84, 20,672,098.02 and 8,104,302.48

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Solution

The fourth proportional to 14,979,672.84, 20,672,098.02 and 8,104,302.48 is: 11,184,018.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,979,672.84 : 20,672,098.02 = 8,104,302.48 : x
  2. Step 2: Convert to fraction form
    14,979,672.84/20,672,098.02 = 8,104,302.48/x
  3. Step 3: Cross multiply
    14,979,672.84x = 20,672,098.02 × 8,104,302.48
  4. Step 4: Simplify right side
    14,979,672.84x = 167,532,935,250,289.09
  5. Step 5: Solve for x
    x = 167,532,935,250,289.09/14,979,672.84
  6. Step 6: Final answer
    x = 11,184,018.31

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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.