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Finding the Fourth Proportional to 1,466.61, 2,023.85 and 803.34

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Solution

The fourth proportional to 1,466.61, 2,023.85 and 803.34 is: 1,108.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,466.61 : 2,023.85 = 803.34 : x
  2. Step 2: Convert to fraction form
    1,466.61/2,023.85 = 803.34/x
  3. Step 3: Cross multiply
    1,466.61x = 2,023.85 × 803.34
  4. Step 4: Simplify right side
    1,466.61x = 1,625,825.52
  5. Step 5: Solve for x
    x = 1,625,825.52/1,466.61
  6. Step 6: Final answer
    x = 1,108.56

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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.