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Finding the Fourth Proportional to 966.04, 1,333.20 and 835.36

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Solution

The fourth proportional to 966.04, 1,333.20 and 835.36 is: 1,152.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    966.04 : 1,333.20 = 835.36 : x
  2. Step 2: Convert to fraction form
    966.04/1,333.20 = 835.36/x
  3. Step 3: Cross multiply
    966.04x = 1,333.20 × 835.36
  4. Step 4: Simplify right side
    966.04x = 1,113,701.95
  5. Step 5: Solve for x
    x = 1,113,701.95/966.04
  6. Step 6: Final answer
    x = 1,152.85

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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.