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Finding the Fourth Proportional to 1,888.97, 2,606.00 and 1,180.62

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Solution

The fourth proportional to 1,888.97, 2,606.00 and 1,180.62 is: 1,628.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888.97 : 2,606.00 = 1,180.62 : x
  2. Step 2: Convert to fraction form
    1,888.97/2,606.00 = 1,180.62/x
  3. Step 3: Cross multiply
    1,888.97x = 2,606.00 × 1,180.62
  4. Step 4: Simplify right side
    1,888.97x = 3,076,689.82
  5. Step 5: Solve for x
    x = 3,076,689.82/1,888.97
  6. Step 6: Final answer
    x = 1,628.77

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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.