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Finding the Fourth Proportional to 1,772.55, 2,446.02 and 1,182.99

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Solution

The fourth proportional to 1,772.55, 2,446.02 and 1,182.99 is: 1,632.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,772.55 : 2,446.02 = 1,182.99 : x
  2. Step 2: Convert to fraction form
    1,772.55/2,446.02 = 1,182.99/x
  3. Step 3: Cross multiply
    1,772.55x = 2,446.02 × 1,182.99
  4. Step 4: Simplify right side
    1,772.55x = 2,893,617.20
  5. Step 5: Solve for x
    x = 2,893,617.20/1,772.55
  6. Step 6: Final answer
    x = 1,632.46

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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.