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Finding the Fourth Proportional to 841.66, 1,264.55 and 795.04

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Solution

The fourth proportional to 841.66, 1,264.55 and 795.04 is: 1,194.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    841.66 : 1,264.55 = 795.04 : x
  2. Step 2: Convert to fraction form
    841.66/1,264.55 = 795.04/x
  3. Step 3: Cross multiply
    841.66x = 1,264.55 × 795.04
  4. Step 4: Simplify right side
    841.66x = 1,005,367.83
  5. Step 5: Solve for x
    x = 1,005,367.83/841.66
  6. Step 6: Final answer
    x = 1,194.51

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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.