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Finding the Fourth Proportional to 1,074.62, 1,603.04 and 1,060.54

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Solution

The fourth proportional to 1,074.62, 1,603.04 and 1,060.54 is: 1,582.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074.62 : 1,603.04 = 1,060.54 : x
  2. Step 2: Convert to fraction form
    1,074.62/1,603.04 = 1,060.54/x
  3. Step 3: Cross multiply
    1,074.62x = 1,603.04 × 1,060.54
  4. Step 4: Simplify right side
    1,074.62x = 1,700,082.74
  5. Step 5: Solve for x
    x = 1,700,082.74/1,074.62
  6. Step 6: Final answer
    x = 1,582.03

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.