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Finding the Fourth Proportional to 3,547.84, 5,321.04 and 3,372.22

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Solution

The fourth proportional to 3,547.84, 5,321.04 and 3,372.22 is: 5,057.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,547.84 : 5,321.04 = 3,372.22 : x
  2. Step 2: Convert to fraction form
    3,547.84/5,321.04 = 3,372.22/x
  3. Step 3: Cross multiply
    3,547.84x = 5,321.04 × 3,372.22
  4. Step 4: Simplify right side
    3,547.84x = 17,943,717.51
  5. Step 5: Solve for x
    x = 17,943,717.51/3,547.84
  6. Step 6: Final answer
    x = 5,057.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.