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Finding the Fourth Proportional to 30,552.53, 45,835.97 and 9,491.48

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Solution

The fourth proportional to 30,552.53, 45,835.97 and 9,491.48 is: 14,239.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,552.53 : 45,835.97 = 9,491.48 : x
  2. Step 2: Convert to fraction form
    30,552.53/45,835.97 = 9,491.48/x
  3. Step 3: Cross multiply
    30,552.53x = 45,835.97 × 9,491.48
  4. Step 4: Simplify right side
    30,552.53x = 435,051,192.54
  5. Step 5: Solve for x
    x = 435,051,192.54/30,552.53
  6. Step 6: Final answer
    x = 14,239.45

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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.