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Finding the Fourth Proportional to 9,054.62, 12,494.85 and 5,075

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Solution

The fourth proportional to 9,054.62, 12,494.85 and 5,075 is: 7,003.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,054.62 : 12,494.85 = 5,075 : x
  2. Step 2: Convert to fraction form
    9,054.62/12,494.85 = 5,075/x
  3. Step 3: Cross multiply
    9,054.62x = 12,494.85 × 5,075
  4. Step 4: Simplify right side
    9,054.62x = 63,411,363.75
  5. Step 5: Solve for x
    x = 63,411,363.75/9,054.62
  6. Step 6: Final answer
    x = 7,003.21

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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.