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Finding the Fourth Proportional to 6,918.26, 9,547.18 and 3,774.44

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Solution

The fourth proportional to 6,918.26, 9,547.18 and 3,774.44 is: 5,208.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,918.26 : 9,547.18 = 3,774.44 : x
  2. Step 2: Convert to fraction form
    6,918.26/9,547.18 = 3,774.44/x
  3. Step 3: Cross multiply
    6,918.26x = 9,547.18 × 3,774.44
  4. Step 4: Simplify right side
    6,918.26x = 36,035,258.08
  5. Step 5: Solve for x
    x = 36,035,258.08/6,918.26
  6. Step 6: Final answer
    x = 5,208.72

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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.