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Finding the Fourth Proportional to 61,379.94, 84,674.30 and 37,465.10

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Solution

The fourth proportional to 61,379.94, 84,674.30 and 37,465.10 is: 51,683.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,379.94 : 84,674.30 = 37,465.10 : x
  2. Step 2: Convert to fraction form
    61,379.94/84,674.30 = 37,465.10/x
  3. Step 3: Cross multiply
    61,379.94x = 84,674.30 × 37,465.10
  4. Step 4: Simplify right side
    61,379.94x = 3,172,331,116.93
  5. Step 5: Solve for x
    x = 3,172,331,116.93/61,379.94
  6. Step 6: Final answer
    x = 51,683.52

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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.