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Finding the Fourth Proportional to 35,672.74, 53,504.86 and 9,379.53

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Solution

The fourth proportional to 35,672.74, 53,504.86 and 9,379.53 is: 14,068.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,672.74 : 53,504.86 = 9,379.53 : x
  2. Step 2: Convert to fraction form
    35,672.74/53,504.86 = 9,379.53/x
  3. Step 3: Cross multiply
    35,672.74x = 53,504.86 × 9,379.53
  4. Step 4: Simplify right side
    35,672.74x = 501,850,665.97
  5. Step 5: Solve for x
    x = 501,850,665.97/35,672.74
  6. Step 6: Final answer
    x = 14,068.18

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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.