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Finding the Fourth Proportional to 23,315.62, 34,966.47 and 8,521.11

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Solution

The fourth proportional to 23,315.62, 34,966.47 and 8,521.11 is: 12,779.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,315.62 : 34,966.47 = 8,521.11 : x
  2. Step 2: Convert to fraction form
    23,315.62/34,966.47 = 8,521.11/x
  3. Step 3: Cross multiply
    23,315.62x = 34,966.47 × 8,521.11
  4. Step 4: Simplify right side
    23,315.62x = 297,953,137.18
  5. Step 5: Solve for x
    x = 297,953,137.18/23,315.62
  6. Step 6: Final answer
    x = 12,779.12

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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.