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Finding the Fourth Proportional to 34,448.52, 51,665.94 and 9,482.16

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Solution

The fourth proportional to 34,448.52, 51,665.94 and 9,482.16 is: 14,221.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,448.52 : 51,665.94 = 9,482.16 : x
  2. Step 2: Convert to fraction form
    34,448.52/51,665.94 = 9,482.16/x
  3. Step 3: Cross multiply
    34,448.52x = 51,665.94 × 9,482.16
  4. Step 4: Simplify right side
    34,448.52x = 489,904,709.63
  5. Step 5: Solve for x
    x = 489,904,709.63/34,448.52
  6. Step 6: Final answer
    x = 14,221.36

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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.