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Finding the Fourth Proportional to 2,695.64, 3,720.06 and 1,516.77

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Solution

The fourth proportional to 2,695.64, 3,720.06 and 1,516.77 is: 2,093.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,695.64 : 3,720.06 = 1,516.77 : x
  2. Step 2: Convert to fraction form
    2,695.64/3,720.06 = 1,516.77/x
  3. Step 3: Cross multiply
    2,695.64x = 3,720.06 × 1,516.77
  4. Step 4: Simplify right side
    2,695.64x = 5,642,475.41
  5. Step 5: Solve for x
    x = 5,642,475.41/2,695.64
  6. Step 6: Final answer
    x = 2,093.19

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Why These Related Problems?

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