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Finding the Fourth Proportional to 5,303.92, 7,319.74 and 3,065.90

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Solution

The fourth proportional to 5,303.92, 7,319.74 and 3,065.90 is: 4,231.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,303.92 : 7,319.74 = 3,065.90 : x
  2. Step 2: Convert to fraction form
    5,303.92/7,319.74 = 3,065.90/x
  3. Step 3: Cross multiply
    5,303.92x = 7,319.74 × 3,065.90
  4. Step 4: Simplify right side
    5,303.92x = 22,441,590.87
  5. Step 5: Solve for x
    x = 22,441,590.87/5,303.92
  6. Step 6: Final answer
    x = 4,231.13

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.