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Finding the Fourth Proportional to 3,154.84, 4,732.27 and 963.59

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Solution

The fourth proportional to 3,154.84, 4,732.27 and 963.59 is: 1,445.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.84 : 4,732.27 = 963.59 : x
  2. Step 2: Convert to fraction form
    3,154.84/4,732.27 = 963.59/x
  3. Step 3: Cross multiply
    3,154.84x = 4,732.27 × 963.59
  4. Step 4: Simplify right side
    3,154.84x = 4,559,941.98
  5. Step 5: Solve for x
    x = 4,559,941.98/3,154.84
  6. Step 6: Final answer
    x = 1,445.38

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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.