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Finding the Fourth Proportional to 4,869.89, 7,302.32 and 2,235.12

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Solution

The fourth proportional to 4,869.89, 7,302.32 and 2,235.12 is: 3,351.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,869.89 : 7,302.32 = 2,235.12 : x
  2. Step 2: Convert to fraction form
    4,869.89/7,302.32 = 2,235.12/x
  3. Step 3: Cross multiply
    4,869.89x = 7,302.32 × 2,235.12
  4. Step 4: Simplify right side
    4,869.89x = 16,321,567.07
  5. Step 5: Solve for x
    x = 16,321,567.07/4,869.89
  6. Step 6: Final answer
    x = 3,351.53

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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.