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Finding the Fourth Proportional to 10,010.84, 13,814.84 and 5,534.88

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Solution

The fourth proportional to 10,010.84, 13,814.84 and 5,534.88 is: 7,638.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,010.84 : 13,814.84 = 5,534.88 : x
  2. Step 2: Convert to fraction form
    10,010.84/13,814.84 = 5,534.88/x
  3. Step 3: Cross multiply
    10,010.84x = 13,814.84 × 5,534.88
  4. Step 4: Simplify right side
    10,010.84x = 76,463,481.62
  5. Step 5: Solve for x
    x = 76,463,481.62/10,010.84
  6. Step 6: Final answer
    x = 7,638.07

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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.