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Finding the Fourth Proportional to 34,053.76, 51,074.88 and 9,424

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Solution

The fourth proportional to 34,053.76, 51,074.88 and 9,424 is: 14,134.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,053.76 : 51,074.88 = 9,424 : x
  2. Step 2: Convert to fraction form
    34,053.76/51,074.88 = 9,424/x
  3. Step 3: Cross multiply
    34,053.76x = 51,074.88 × 9,424
  4. Step 4: Simplify right side
    34,053.76x = 481,329,669.12
  5. Step 5: Solve for x
    x = 481,329,669.12/34,053.76
  6. Step 6: Final answer
    x = 14,134.41

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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.