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Finding the Fourth Proportional to 5,450.94, 7,506 and 5,328.36

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Solution

The fourth proportional to 5,450.94, 7,506 and 5,328.36 is: 7,337.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,450.94 : 7,506 = 5,328.36 : x
  2. Step 2: Convert to fraction form
    5,450.94/7,506 = 5,328.36/x
  3. Step 3: Cross multiply
    5,450.94x = 7,506 × 5,328.36
  4. Step 4: Simplify right side
    5,450.94x = 39,994,670.16
  5. Step 5: Solve for x
    x = 39,994,670.16/5,450.94
  6. Step 6: Final answer
    x = 7,337.21

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Why These Related Problems?

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