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Finding the Fourth Proportional to 1,894.64, 2,840.56 and 595.36

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Solution

The fourth proportional to 1,894.64, 2,840.56 and 595.36 is: 892.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,894.64 : 2,840.56 = 595.36 : x
  2. Step 2: Convert to fraction form
    1,894.64/2,840.56 = 595.36/x
  3. Step 3: Cross multiply
    1,894.64x = 2,840.56 × 595.36
  4. Step 4: Simplify right side
    1,894.64x = 1,691,155.80
  5. Step 5: Solve for x
    x = 1,691,155.80/1,894.64
  6. Step 6: Final answer
    x = 892.60

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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.