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Finding the Fourth Proportional to 2,624.64, 3,623.84 and 1,630.32

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Solution

The fourth proportional to 2,624.64, 3,623.84 and 1,630.32 is: 2,250.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,624.64 : 3,623.84 = 1,630.32 : x
  2. Step 2: Convert to fraction form
    2,624.64/3,623.84 = 1,630.32/x
  3. Step 3: Cross multiply
    2,624.64x = 3,623.84 × 1,630.32
  4. Step 4: Simplify right side
    2,624.64x = 5,908,018.83
  5. Step 5: Solve for x
    x = 5,908,018.83/2,624.64
  6. Step 6: Final answer
    x = 2,250.98

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.