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Finding the Fourth Proportional to 3,307.23, 4,959.62 and 966.63

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Solution

The fourth proportional to 3,307.23, 4,959.62 and 966.63 is: 1,449.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,307.23 : 4,959.62 = 966.63 : x
  2. Step 2: Convert to fraction form
    3,307.23/4,959.62 = 966.63/x
  3. Step 3: Cross multiply
    3,307.23x = 4,959.62 × 966.63
  4. Step 4: Simplify right side
    3,307.23x = 4,794,117.48
  5. Step 5: Solve for x
    x = 4,794,117.48/3,307.23
  6. Step 6: Final answer
    x = 1,449.59

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1.5x scale

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.