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Finding the Fourth Proportional to 58,574.61, 80,827.74 and 34,697.43

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Solution

The fourth proportional to 58,574.61, 80,827.74 and 34,697.43 is: 47,879.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,574.61 : 80,827.74 = 34,697.43 : x
  2. Step 2: Convert to fraction form
    58,574.61/80,827.74 = 34,697.43/x
  3. Step 3: Cross multiply
    58,574.61x = 80,827.74 × 34,697.43
  4. Step 4: Simplify right side
    58,574.61x = 2,804,514,850.71
  5. Step 5: Solve for x
    x = 2,804,514,850.71/58,574.61
  6. Step 6: Final answer
    x = 47,879.36

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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.