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Finding the Fourth Proportional to 6,612.48, 9,912.96 and 2,714.16

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Solution

The fourth proportional to 6,612.48, 9,912.96 and 2,714.16 is: 4,068.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,612.48 : 9,912.96 = 2,714.16 : x
  2. Step 2: Convert to fraction form
    6,612.48/9,912.96 = 2,714.16/x
  3. Step 3: Cross multiply
    6,612.48x = 9,912.96 × 2,714.16
  4. Step 4: Simplify right side
    6,612.48x = 26,905,359.51
  5. Step 5: Solve for x
    x = 26,905,359.51/6,612.48
  6. Step 6: Final answer
    x = 4,068.88

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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.