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Finding the Fourth Proportional to 7,408.92, 10,223.88 and 4,051.06

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Solution

The fourth proportional to 7,408.92, 10,223.88 and 4,051.06 is: 5,590.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,408.92 : 10,223.88 = 4,051.06 : x
  2. Step 2: Convert to fraction form
    7,408.92/10,223.88 = 4,051.06/x
  3. Step 3: Cross multiply
    7,408.92x = 10,223.88 × 4,051.06
  4. Step 4: Simplify right side
    7,408.92x = 41,417,551.31
  5. Step 5: Solve for x
    x = 41,417,551.31/7,408.92
  6. Step 6: Final answer
    x = 5,590.23

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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.