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Finding the Fourth Proportional to 5,507.53, 8,262.51 and 1,809.60

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Solution

The fourth proportional to 5,507.53, 8,262.51 and 1,809.60 is: 2,714.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,507.53 : 8,262.51 = 1,809.60 : x
  2. Step 2: Convert to fraction form
    5,507.53/8,262.51 = 1,809.60/x
  3. Step 3: Cross multiply
    5,507.53x = 8,262.51 × 1,809.60
  4. Step 4: Simplify right side
    5,507.53x = 14,951,838.10
  5. Step 5: Solve for x
    x = 14,951,838.10/5,507.53
  6. Step 6: Final answer
    x = 2,714.80

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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.