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Finding the Fourth Proportional to 3,883.32, 5,823.90 and 1,693.08

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Solution

The fourth proportional to 3,883.32, 5,823.90 and 1,693.08 is: 2,539.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,883.32 : 5,823.90 = 1,693.08 : x
  2. Step 2: Convert to fraction form
    3,883.32/5,823.90 = 1,693.08/x
  3. Step 3: Cross multiply
    3,883.32x = 5,823.90 × 1,693.08
  4. Step 4: Simplify right side
    3,883.32x = 9,860,328.61
  5. Step 5: Solve for x
    x = 9,860,328.61/3,883.32
  6. Step 6: Final answer
    x = 2,539.15

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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.