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Finding the Fourth Proportional to 61,640.93, 85,004.04 and 37,445.42

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Solution

The fourth proportional to 61,640.93, 85,004.04 and 37,445.42 is: 51,637.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,640.93 : 85,004.04 = 37,445.42 : x
  2. Step 2: Convert to fraction form
    61,640.93/85,004.04 = 37,445.42/x
  3. Step 3: Cross multiply
    61,640.93x = 85,004.04 × 37,445.42
  4. Step 4: Simplify right side
    61,640.93x = 3,183,011,979.50
  5. Step 5: Solve for x
    x = 3,183,011,979.50/61,640.93
  6. Step 6: Final answer
    x = 51,637.96

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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.