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Finding the Fourth Proportional to 4,821.81, 6,650.13 and 4,052.37

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Solution

The fourth proportional to 4,821.81, 6,650.13 and 4,052.37 is: 5,588.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,821.81 : 6,650.13 = 4,052.37 : x
  2. Step 2: Convert to fraction form
    4,821.81/6,650.13 = 4,052.37/x
  3. Step 3: Cross multiply
    4,821.81x = 6,650.13 × 4,052.37
  4. Step 4: Simplify right side
    4,821.81x = 26,948,787.31
  5. Step 5: Solve for x
    x = 26,948,787.31/4,821.81
  6. Step 6: Final answer
    x = 5,588.94

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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.