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Finding the Fourth Proportional to 1,516.88, 2,094.72 and 1,435.08

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Solution

The fourth proportional to 1,516.88, 2,094.72 and 1,435.08 is: 1,981.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516.88 : 2,094.72 = 1,435.08 : x
  2. Step 2: Convert to fraction form
    1,516.88/2,094.72 = 1,435.08/x
  3. Step 3: Cross multiply
    1,516.88x = 2,094.72 × 1,435.08
  4. Step 4: Simplify right side
    1,516.88x = 3,006,090.78
  5. Step 5: Solve for x
    x = 3,006,090.78/1,516.88
  6. Step 6: Final answer
    x = 1,981.76

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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.