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Finding the Fourth Proportional to 4,070.57, 5,617.40 and 2,207.57

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Solution

The fourth proportional to 4,070.57, 5,617.40 and 2,207.57 is: 3,046.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,070.57 : 5,617.40 = 2,207.57 : x
  2. Step 2: Convert to fraction form
    4,070.57/5,617.40 = 2,207.57/x
  3. Step 3: Cross multiply
    4,070.57x = 5,617.40 × 2,207.57
  4. Step 4: Simplify right side
    4,070.57x = 12,400,803.72
  5. Step 5: Solve for x
    x = 12,400,803.72/4,070.57
  6. Step 6: Final answer
    x = 3,046.45

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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.