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Finding the Fourth Proportional to 8,041.09, 11,090.60 and 7,044.64

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Solution

The fourth proportional to 8,041.09, 11,090.60 and 7,044.64 is: 9,716.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,041.09 : 11,090.60 = 7,044.64 : x
  2. Step 2: Convert to fraction form
    8,041.09/11,090.60 = 7,044.64/x
  3. Step 3: Cross multiply
    8,041.09x = 11,090.60 × 7,044.64
  4. Step 4: Simplify right side
    8,041.09x = 78,129,284.38
  5. Step 5: Solve for x
    x = 78,129,284.38/8,041.09
  6. Step 6: Final answer
    x = 9,716.26

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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.