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Finding the Fourth Proportional to 38,091.84, 52,566.64 and 21,324.84

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Solution

The fourth proportional to 38,091.84, 52,566.64 and 21,324.84 is: 29,428.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,091.84 : 52,566.64 = 21,324.84 : x
  2. Step 2: Convert to fraction form
    38,091.84/52,566.64 = 21,324.84/x
  3. Step 3: Cross multiply
    38,091.84x = 52,566.64 × 21,324.84
  4. Step 4: Simplify right side
    38,091.84x = 1,120,975,187.34
  5. Step 5: Solve for x
    x = 1,120,975,187.34/38,091.84
  6. Step 6: Final answer
    x = 29,428.22

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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.