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Finding the Fourth Proportional to 5,664.63, 7,818.12 and 3,306.32

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Solution

The fourth proportional to 5,664.63, 7,818.12 and 3,306.32 is: 4,563.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,664.63 : 7,818.12 = 3,306.32 : x
  2. Step 2: Convert to fraction form
    5,664.63/7,818.12 = 3,306.32/x
  3. Step 3: Cross multiply
    5,664.63x = 7,818.12 × 3,306.32
  4. Step 4: Simplify right side
    5,664.63x = 25,849,167.43
  5. Step 5: Solve for x
    x = 25,849,167.43/5,664.63
  6. Step 6: Final answer
    x = 4,563.26

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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.