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Finding the Fourth Proportional to 2,922.08, 4,381.50 and 973.22

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Solution

The fourth proportional to 2,922.08, 4,381.50 and 973.22 is: 1,459.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,922.08 : 4,381.50 = 973.22 : x
  2. Step 2: Convert to fraction form
    2,922.08/4,381.50 = 973.22/x
  3. Step 3: Cross multiply
    2,922.08x = 4,381.50 × 973.22
  4. Step 4: Simplify right side
    2,922.08x = 4,264,163.43
  5. Step 5: Solve for x
    x = 4,264,163.43/2,922.08
  6. Step 6: Final answer
    x = 1,459.29

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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.