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Finding the Fourth Proportional to 6,997.40, 9,646.74 and 5,004.48

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Solution

The fourth proportional to 6,997.40, 9,646.74 and 5,004.48 is: 6,899.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,997.40 : 9,646.74 = 5,004.48 : x
  2. Step 2: Convert to fraction form
    6,997.40/9,646.74 = 5,004.48/x
  3. Step 3: Cross multiply
    6,997.40x = 9,646.74 × 5,004.48
  4. Step 4: Simplify right side
    6,997.40x = 48,276,917.40
  5. Step 5: Solve for x
    x = 48,276,917.40/6,997.40
  6. Step 6: Final answer
    x = 6,899.27

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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.