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Finding the Fourth Proportional to 848.48, 1,171.87 and 675.95

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Solution

The fourth proportional to 848.48, 1,171.87 and 675.95 is: 933.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    848.48 : 1,171.87 = 675.95 : x
  2. Step 2: Convert to fraction form
    848.48/1,171.87 = 675.95/x
  3. Step 3: Cross multiply
    848.48x = 1,171.87 × 675.95
  4. Step 4: Simplify right side
    848.48x = 792,117.98
  5. Step 5: Solve for x
    x = 792,117.98/848.48
  6. Step 6: Final answer
    x = 933.58

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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.