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Finding the Fourth Proportional to 63,029.63, 86,980.89 and 37,879.13

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Solution

The fourth proportional to 63,029.63, 86,980.89 and 37,879.13 is: 52,273.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,029.63 : 86,980.89 = 37,879.13 : x
  2. Step 2: Convert to fraction form
    63,029.63/86,980.89 = 37,879.13/x
  3. Step 3: Cross multiply
    63,029.63x = 86,980.89 × 37,879.13
  4. Step 4: Simplify right side
    63,029.63x = 3,294,760,004.92
  5. Step 5: Solve for x
    x = 3,294,760,004.92/63,029.63
  6. Step 6: Final answer
    x = 52,273.20

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1.5x scale

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.