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Finding the Fourth Proportional to 3,592.78, 5,388.33 and 1,400.62

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Solution

The fourth proportional to 3,592.78, 5,388.33 and 1,400.62 is: 2,100.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,592.78 : 5,388.33 = 1,400.62 : x
  2. Step 2: Convert to fraction form
    3,592.78/5,388.33 = 1,400.62/x
  3. Step 3: Cross multiply
    3,592.78x = 5,388.33 × 1,400.62
  4. Step 4: Simplify right side
    3,592.78x = 7,547,002.76
  5. Step 5: Solve for x
    x = 7,547,002.76/3,592.78
  6. Step 6: Final answer
    x = 2,100.60

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