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Finding the Fourth Proportional to 35,571.78, 53,357.68 and 9,276.44

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Solution

The fourth proportional to 35,571.78, 53,357.68 and 9,276.44 is: 13,914.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,571.78 : 53,357.68 = 9,276.44 : x
  2. Step 2: Convert to fraction form
    35,571.78/53,357.68 = 9,276.44/x
  3. Step 3: Cross multiply
    35,571.78x = 53,357.68 × 9,276.44
  4. Step 4: Simplify right side
    35,571.78x = 494,969,317.06
  5. Step 5: Solve for x
    x = 494,969,317.06/35,571.78
  6. Step 6: Final answer
    x = 13,914.66

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.