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Finding the Fourth Proportional to 4,671.78, 7,006.26 and 1,551.12

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Solution

The fourth proportional to 4,671.78, 7,006.26 and 1,551.12 is: 2,326.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,671.78 : 7,006.26 = 1,551.12 : x
  2. Step 2: Convert to fraction form
    4,671.78/7,006.26 = 1,551.12/x
  3. Step 3: Cross multiply
    4,671.78x = 7,006.26 × 1,551.12
  4. Step 4: Simplify right side
    4,671.78x = 10,867,550.01
  5. Step 5: Solve for x
    x = 10,867,550.01/4,671.78
  6. Step 6: Final answer
    x = 2,326.21

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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.