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Finding the Fourth Proportional to 1,158.03, 1,597.94 and 922.58

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Solution

The fourth proportional to 1,158.03, 1,597.94 and 922.58 is: 1,273.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158.03 : 1,597.94 = 922.58 : x
  2. Step 2: Convert to fraction form
    1,158.03/1,597.94 = 922.58/x
  3. Step 3: Cross multiply
    1,158.03x = 1,597.94 × 922.58
  4. Step 4: Simplify right side
    1,158.03x = 1,474,214.88
  5. Step 5: Solve for x
    x = 1,474,214.88/1,158.03
  6. Step 6: Final answer
    x = 1,273.04

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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.