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Finding the Fourth Proportional to 6,376.88, 9,565.32 and 2,270

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Solution

The fourth proportional to 6,376.88, 9,565.32 and 2,270 is: 3,405.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,376.88 : 9,565.32 = 2,270 : x
  2. Step 2: Convert to fraction form
    6,376.88/9,565.32 = 2,270/x
  3. Step 3: Cross multiply
    6,376.88x = 9,565.32 × 2,270
  4. Step 4: Simplify right side
    6,376.88x = 21,713,276.40
  5. Step 5: Solve for x
    x = 21,713,276.40/6,376.88
  6. Step 6: Final answer
    x = 3,405.00

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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.