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Finding the Fourth Proportional to 61,486.85, 84,827.21 and 37,572.01

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Solution

The fourth proportional to 61,486.85, 84,827.21 and 37,572.01 is: 51,834.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,486.85 : 84,827.21 = 37,572.01 : x
  2. Step 2: Convert to fraction form
    61,486.85/84,827.21 = 37,572.01/x
  3. Step 3: Cross multiply
    61,486.85x = 84,827.21 × 37,572.01
  4. Step 4: Simplify right side
    61,486.85x = 3,187,128,382.46
  5. Step 5: Solve for x
    x = 3,187,128,382.46/61,486.85
  6. Step 6: Final answer
    x = 51,834.31

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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.