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Finding the Fourth Proportional to 1,551.34, 2,328.50 and 967.46

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Solution

The fourth proportional to 1,551.34, 2,328.50 and 967.46 is: 1,452.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551.34 : 2,328.50 = 967.46 : x
  2. Step 2: Convert to fraction form
    1,551.34/2,328.50 = 967.46/x
  3. Step 3: Cross multiply
    1,551.34x = 2,328.50 × 967.46
  4. Step 4: Simplify right side
    1,551.34x = 2,252,730.61
  5. Step 5: Solve for x
    x = 2,252,730.61/1,551.34
  6. Step 6: Final answer
    x = 1,452.12

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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.