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Finding the Fourth Proportional to 1,372.93, 1,895.00 and 848.66

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Solution

The fourth proportional to 1,372.93, 1,895.00 and 848.66 is: 1,171.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372.93 : 1,895.00 = 848.66 : x
  2. Step 2: Convert to fraction form
    1,372.93/1,895.00 = 848.66/x
  3. Step 3: Cross multiply
    1,372.93x = 1,895.00 × 848.66
  4. Step 4: Simplify right side
    1,372.93x = 1,608,206.46
  5. Step 5: Solve for x
    x = 1,608,206.46/1,372.93
  6. Step 6: Final answer
    x = 1,171.37

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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.