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Finding the Fourth Proportional to 1,060.10, 1,588.41 and 1,019.60

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Solution

The fourth proportional to 1,060.10, 1,588.41 and 1,019.60 is: 1,527.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,060.10 : 1,588.41 = 1,019.60 : x
  2. Step 2: Convert to fraction form
    1,060.10/1,588.41 = 1,019.60/x
  3. Step 3: Cross multiply
    1,060.10x = 1,588.41 × 1,019.60
  4. Step 4: Simplify right side
    1,060.10x = 1,619,542.84
  5. Step 5: Solve for x
    x = 1,619,542.84/1,060.10
  6. Step 6: Final answer
    x = 1,527.73

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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.