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Finding the Fourth Proportional to 23,145, 34,710.33 and 8,352

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Solution

The fourth proportional to 23,145, 34,710.33 and 8,352 is: 12,525.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,145 : 34,710.33 = 8,352 : x
  2. Step 2: Convert to fraction form
    23,145/34,710.33 = 8,352/x
  3. Step 3: Cross multiply
    23,145x = 34,710.33 × 8,352
  4. Step 4: Simplify right side
    23,145x = 289,900,676.16
  5. Step 5: Solve for x
    x = 289,900,676.16/23,145
  6. Step 6: Final answer
    x = 12,525.41

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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.