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Finding the Fourth Proportional to 1,671.66, 2,510.01 and 1,442.34

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Solution

The fourth proportional to 1,671.66, 2,510.01 and 1,442.34 is: 2,165.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,671.66 : 2,510.01 = 1,442.34 : x
  2. Step 2: Convert to fraction form
    1,671.66/2,510.01 = 1,442.34/x
  3. Step 3: Cross multiply
    1,671.66x = 2,510.01 × 1,442.34
  4. Step 4: Simplify right side
    1,671.66x = 3,620,287.82
  5. Step 5: Solve for x
    x = 3,620,287.82/1,671.66
  6. Step 6: Final answer
    x = 2,165.68

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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.