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Finding the Fourth Proportional to 3,547.57, 5,323.01 and 1,355.58

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Solution

The fourth proportional to 3,547.57, 5,323.01 and 1,355.58 is: 2,034.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,547.57 : 5,323.01 = 1,355.58 : x
  2. Step 2: Convert to fraction form
    3,547.57/5,323.01 = 1,355.58/x
  3. Step 3: Cross multiply
    3,547.57x = 5,323.01 × 1,355.58
  4. Step 4: Simplify right side
    3,547.57x = 7,215,765.90
  5. Step 5: Solve for x
    x = 7,215,765.90/3,547.57
  6. Step 6: Final answer
    x = 2,034.00

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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.