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Finding the Fourth Proportional to 1,302.96, 1,955.40 and 1,049.52

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Solution

The fourth proportional to 1,302.96, 1,955.40 and 1,049.52 is: 1,575.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302.96 : 1,955.40 = 1,049.52 : x
  2. Step 2: Convert to fraction form
    1,302.96/1,955.40 = 1,049.52/x
  3. Step 3: Cross multiply
    1,302.96x = 1,955.40 × 1,049.52
  4. Step 4: Simplify right side
    1,302.96x = 2,052,231.41
  5. Step 5: Solve for x
    x = 2,052,231.41/1,302.96
  6. Step 6: Final answer
    x = 1,575.05

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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.