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Finding the Fourth Proportional to 6,988.04, 9,643.56 and 3,844.24

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Solution

The fourth proportional to 6,988.04, 9,643.56 and 3,844.24 is: 5,305.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,988.04 : 9,643.56 = 3,844.24 : x
  2. Step 2: Convert to fraction form
    6,988.04/9,643.56 = 3,844.24/x
  3. Step 3: Cross multiply
    6,988.04x = 9,643.56 × 3,844.24
  4. Step 4: Simplify right side
    6,988.04x = 37,072,159.09
  5. Step 5: Solve for x
    x = 37,072,159.09/6,988.04
  6. Step 6: Final answer
    x = 5,305.09

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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.