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Finding the Fourth Proportional to 2,822.75, 4,232.49 and 973.13

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Solution

The fourth proportional to 2,822.75, 4,232.49 and 973.13 is: 1,459.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,822.75 : 4,232.49 = 973.13 : x
  2. Step 2: Convert to fraction form
    2,822.75/4,232.49 = 973.13/x
  3. Step 3: Cross multiply
    2,822.75x = 4,232.49 × 973.13
  4. Step 4: Simplify right side
    2,822.75x = 4,118,762.99
  5. Step 5: Solve for x
    x = 4,118,762.99/2,822.75
  6. Step 6: Final answer
    x = 1,459.13

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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.