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Finding the Fourth Proportional to 848.34, 1,167.68 and 759.51

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Solution

The fourth proportional to 848.34, 1,167.68 and 759.51 is: 1,045.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    848.34 : 1,167.68 = 759.51 : x
  2. Step 2: Convert to fraction form
    848.34/1,167.68 = 759.51/x
  3. Step 3: Cross multiply
    848.34x = 1,167.68 × 759.51
  4. Step 4: Simplify right side
    848.34x = 886,866.54
  5. Step 5: Solve for x
    x = 886,866.54/848.34
  6. Step 6: Final answer
    x = 1,045.41

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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.