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Finding the Fourth Proportional to 6,917.22, 9,547.26 and 4,083.54

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Solution

The fourth proportional to 6,917.22, 9,547.26 and 4,083.54 is: 5,636.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,917.22 : 9,547.26 = 4,083.54 : x
  2. Step 2: Convert to fraction form
    6,917.22/9,547.26 = 4,083.54/x
  3. Step 3: Cross multiply
    6,917.22x = 9,547.26 × 4,083.54
  4. Step 4: Simplify right side
    6,917.22x = 38,986,618.10
  5. Step 5: Solve for x
    x = 38,986,618.10/6,917.22
  6. Step 6: Final answer
    x = 5,636.17

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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.