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Finding the Fourth Proportional to 4,470.56, 6,703.56 and 2,622.08

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Solution

The fourth proportional to 4,470.56, 6,703.56 and 2,622.08 is: 3,931.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,470.56 : 6,703.56 = 2,622.08 : x
  2. Step 2: Convert to fraction form
    4,470.56/6,703.56 = 2,622.08/x
  3. Step 3: Cross multiply
    4,470.56x = 6,703.56 × 2,622.08
  4. Step 4: Simplify right side
    4,470.56x = 17,577,270.60
  5. Step 5: Solve for x
    x = 17,577,270.60/4,470.56
  6. Step 6: Final answer
    x = 3,931.78

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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.