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Finding the Fourth Proportional to 1,953.64, 2,694.90 and 1,510.84

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Solution

The fourth proportional to 1,953.64, 2,694.90 and 1,510.84 is: 2,084.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,953.64 : 2,694.90 = 1,510.84 : x
  2. Step 2: Convert to fraction form
    1,953.64/2,694.90 = 1,510.84/x
  3. Step 3: Cross multiply
    1,953.64x = 2,694.90 × 1,510.84
  4. Step 4: Simplify right side
    1,953.64x = 4,071,562.72
  5. Step 5: Solve for x
    x = 4,071,562.72/1,953.64
  6. Step 6: Final answer
    x = 2,084.09

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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.