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Finding the Fourth Proportional to 57,382.58, 79,174.98 and 34,721.00

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Solution

The fourth proportional to 57,382.58, 79,174.98 and 34,721.00 is: 47,907.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,382.58 : 79,174.98 = 34,721.00 : x
  2. Step 2: Convert to fraction form
    57,382.58/79,174.98 = 34,721.00/x
  3. Step 3: Cross multiply
    57,382.58x = 79,174.98 × 34,721.00
  4. Step 4: Simplify right side
    57,382.58x = 2,749,034,678.52
  5. Step 5: Solve for x
    x = 2,749,034,678.52/57,382.58
  6. Step 6: Final answer
    x = 47,907.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.