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Finding the Fourth Proportional to 1,934.48, 2,899.40 and 893.03

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Solution

The fourth proportional to 1,934.48, 2,899.40 and 893.03 is: 1,338.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,934.48 : 2,899.40 = 893.03 : x
  2. Step 2: Convert to fraction form
    1,934.48/2,899.40 = 893.03/x
  3. Step 3: Cross multiply
    1,934.48x = 2,899.40 × 893.03
  4. Step 4: Simplify right side
    1,934.48x = 2,589,232.22
  5. Step 5: Solve for x
    x = 2,589,232.22/1,934.48
  6. Step 6: Final answer
    x = 1,338.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.