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Finding the Fourth Proportional to 1,773.06, 2,446.80 and 976.25

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Solution

The fourth proportional to 1,773.06, 2,446.80 and 976.25 is: 1,347.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,773.06 : 2,446.80 = 976.25 : x
  2. Step 2: Convert to fraction form
    1,773.06/2,446.80 = 976.25/x
  3. Step 3: Cross multiply
    1,773.06x = 2,446.80 × 976.25
  4. Step 4: Simplify right side
    1,773.06x = 2,388,688.50
  5. Step 5: Solve for x
    x = 2,388,688.50/1,773.06
  6. Step 6: Final answer
    x = 1,347.21

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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.