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Finding the Fourth Proportional to 4,770.42, 7,155.95 and 1,650.73

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Solution

The fourth proportional to 4,770.42, 7,155.95 and 1,650.73 is: 2,476.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,770.42 : 7,155.95 = 1,650.73 : x
  2. Step 2: Convert to fraction form
    4,770.42/7,155.95 = 1,650.73/x
  3. Step 3: Cross multiply
    4,770.42x = 7,155.95 × 1,650.73
  4. Step 4: Simplify right side
    4,770.42x = 11,812,541.34
  5. Step 5: Solve for x
    x = 11,812,541.34/4,770.42
  6. Step 6: Final answer
    x = 2,476.21

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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.