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Finding the Fourth Proportional to 23,184.72, 34,779.03 and 7,392

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Solution

The fourth proportional to 23,184.72, 34,779.03 and 7,392 is: 11,088.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,184.72 : 34,779.03 = 7,392 : x
  2. Step 2: Convert to fraction form
    23,184.72/34,779.03 = 7,392/x
  3. Step 3: Cross multiply
    23,184.72x = 34,779.03 × 7,392
  4. Step 4: Simplify right side
    23,184.72x = 257,086,589.76
  5. Step 5: Solve for x
    x = 257,086,589.76/23,184.72
  6. Step 6: Final answer
    x = 11,088.62

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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.