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Finding the Fourth Proportional to 6,675.21, 9,208.49 and 4,787.10

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Solution

The fourth proportional to 6,675.21, 9,208.49 and 4,787.10 is: 6,603.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,675.21 : 9,208.49 = 4,787.10 : x
  2. Step 2: Convert to fraction form
    6,675.21/9,208.49 = 4,787.10/x
  3. Step 3: Cross multiply
    6,675.21x = 9,208.49 × 4,787.10
  4. Step 4: Simplify right side
    6,675.21x = 44,081,938.54
  5. Step 5: Solve for x
    x = 44,081,938.54/6,675.21
  6. Step 6: Final answer
    x = 6,603.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.