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Finding the Fourth Proportional to 1,342.50, 1,853.40 and 950.37

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Solution

The fourth proportional to 1,342.50, 1,853.40 and 950.37 is: 1,312.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342.50 : 1,853.40 = 950.37 : x
  2. Step 2: Convert to fraction form
    1,342.50/1,853.40 = 950.37/x
  3. Step 3: Cross multiply
    1,342.50x = 1,853.40 × 950.37
  4. Step 4: Simplify right side
    1,342.50x = 1,761,415.76
  5. Step 5: Solve for x
    x = 1,761,415.76/1,342.50
  6. Step 6: Final answer
    x = 1,312.04

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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.