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Finding the Fourth Proportional to 36,842.76, 50,841.42 and 20,927.16

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Solution

The fourth proportional to 36,842.76, 50,841.42 and 20,927.16 is: 28,878.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,842.76 : 50,841.42 = 20,927.16 : x
  2. Step 2: Convert to fraction form
    36,842.76/50,841.42 = 20,927.16/x
  3. Step 3: Cross multiply
    36,842.76x = 50,841.42 × 20,927.16
  4. Step 4: Simplify right side
    36,842.76x = 1,063,966,530.97
  5. Step 5: Solve for x
    x = 1,063,966,530.97/36,842.76
  6. Step 6: Final answer
    x = 28,878.58

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Double scale
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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.