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Finding the Fourth Proportional to 58,067.01, 80,128.44 and 34,188.62

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Solution

The fourth proportional to 58,067.01, 80,128.44 and 34,188.62 is: 47,177.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,067.01 : 80,128.44 = 34,188.62 : x
  2. Step 2: Convert to fraction form
    58,067.01/80,128.44 = 34,188.62/x
  3. Step 3: Cross multiply
    58,067.01x = 80,128.44 × 34,188.62
  4. Step 4: Simplify right side
    58,067.01x = 2,739,480,385.71
  5. Step 5: Solve for x
    x = 2,739,480,385.71/58,067.01
  6. Step 6: Final answer
    x = 47,177.91

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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.