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Finding the Fourth Proportional to 6,969.04, 9,617.93 and 3,984.29

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Solution

The fourth proportional to 6,969.04, 9,617.93 and 3,984.29 is: 5,498.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,969.04 : 9,617.93 = 3,984.29 : x
  2. Step 2: Convert to fraction form
    6,969.04/9,617.93 = 3,984.29/x
  3. Step 3: Cross multiply
    6,969.04x = 9,617.93 × 3,984.29
  4. Step 4: Simplify right side
    6,969.04x = 38,320,616.52
  5. Step 5: Solve for x
    x = 38,320,616.52/6,969.04
  6. Step 6: Final answer
    x = 5,498.70

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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.