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Finding the Fourth Proportional to 29,556.48, 40,792.56 and 28,584.48

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Solution

The fourth proportional to 29,556.48, 40,792.56 and 28,584.48 is: 39,451.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,556.48 : 40,792.56 = 28,584.48 : x
  2. Step 2: Convert to fraction form
    29,556.48/40,792.56 = 28,584.48/x
  3. Step 3: Cross multiply
    29,556.48x = 40,792.56 × 28,584.48
  4. Step 4: Simplify right side
    29,556.48x = 1,166,034,115.47
  5. Step 5: Solve for x
    x = 1,166,034,115.47/29,556.48
  6. Step 6: Final answer
    x = 39,451.05

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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.