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Finding the Fourth Proportional to 1,966.66, 2,940.87 and 1,598.51

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Solution

The fourth proportional to 1,966.66, 2,940.87 and 1,598.51 is: 2,390.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,966.66 : 2,940.87 = 1,598.51 : x
  2. Step 2: Convert to fraction form
    1,966.66/2,940.87 = 1,598.51/x
  3. Step 3: Cross multiply
    1,966.66x = 2,940.87 × 1,598.51
  4. Step 4: Simplify right side
    1,966.66x = 4,701,010.10
  5. Step 5: Solve for x
    x = 4,701,010.10/1,966.66
  6. Step 6: Final answer
    x = 2,390.35

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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.