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Finding the Fourth Proportional to 1,376.55, 1,900.01 and 852.29

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Solution

The fourth proportional to 1,376.55, 1,900.01 and 852.29 is: 1,176.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376.55 : 1,900.01 = 852.29 : x
  2. Step 2: Convert to fraction form
    1,376.55/1,900.01 = 852.29/x
  3. Step 3: Cross multiply
    1,376.55x = 1,900.01 × 852.29
  4. Step 4: Simplify right side
    1,376.55x = 1,619,359.52
  5. Step 5: Solve for x
    x = 1,619,359.52/1,376.55
  6. Step 6: Final answer
    x = 1,176.39

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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.