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Finding the Fourth Proportional to 58,556.93, 80,845.87 and 38,449.51

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Solution

The fourth proportional to 58,556.93, 80,845.87 and 38,449.51 is: 53,084.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,556.93 : 80,845.87 = 38,449.51 : x
  2. Step 2: Convert to fraction form
    58,556.93/80,845.87 = 38,449.51/x
  3. Step 3: Cross multiply
    58,556.93x = 80,845.87 × 38,449.51
  4. Step 4: Simplify right side
    58,556.93x = 3,108,484,196.40
  5. Step 5: Solve for x
    x = 3,108,484,196.40/58,556.93
  6. Step 6: Final answer
    x = 53,084.83

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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.