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Finding the Fourth Proportional to 4,872.67, 7,308.90 and 1,950.19

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Solution

The fourth proportional to 4,872.67, 7,308.90 and 1,950.19 is: 2,925.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,872.67 : 7,308.90 = 1,950.19 : x
  2. Step 2: Convert to fraction form
    4,872.67/7,308.90 = 1,950.19/x
  3. Step 3: Cross multiply
    4,872.67x = 7,308.90 × 1,950.19
  4. Step 4: Simplify right side
    4,872.67x = 14,253,725.42
  5. Step 5: Solve for x
    x = 14,253,725.42/4,872.67
  6. Step 6: Final answer
    x = 2,925.24

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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.