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Finding the Fourth Proportional to 1,885.72, 2,602.14 and 1,046.32

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Solution

The fourth proportional to 1,885.72, 2,602.14 and 1,046.32 is: 1,443.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,885.72 : 2,602.14 = 1,046.32 : x
  2. Step 2: Convert to fraction form
    1,885.72/2,602.14 = 1,046.32/x
  3. Step 3: Cross multiply
    1,885.72x = 2,602.14 × 1,046.32
  4. Step 4: Simplify right side
    1,885.72x = 2,722,671.12
  5. Step 5: Solve for x
    x = 2,722,671.12/1,885.72
  6. Step 6: Final answer
    x = 1,443.84

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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.