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Finding the Fourth Proportional to 38,758.77, 58,174.47 and 19,051.47

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Solution

The fourth proportional to 38,758.77, 58,174.47 and 19,051.47 is: 28,595.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,758.77 : 58,174.47 = 19,051.47 : x
  2. Step 2: Convert to fraction form
    38,758.77/58,174.47 = 19,051.47/x
  3. Step 3: Cross multiply
    38,758.77x = 58,174.47 × 19,051.47
  4. Step 4: Simplify right side
    38,758.77x = 1,108,309,169.97
  5. Step 5: Solve for x
    x = 1,108,309,169.97/38,758.77
  6. Step 6: Final answer
    x = 28,595.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.