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Finding the Fourth Proportional to 1,772.55, 2,446.71 and 1,027.26

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Solution

The fourth proportional to 1,772.55, 2,446.71 and 1,027.26 is: 1,417.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,772.55 : 2,446.71 = 1,027.26 : x
  2. Step 2: Convert to fraction form
    1,772.55/2,446.71 = 1,027.26/x
  3. Step 3: Cross multiply
    1,772.55x = 2,446.71 × 1,027.26
  4. Step 4: Simplify right side
    1,772.55x = 2,513,412.06
  5. Step 5: Solve for x
    x = 2,513,412.06/1,772.55
  6. Step 6: Final answer
    x = 1,417.96

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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.