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Finding the Fourth Proportional to 1,325.57, 1,829.48 and 794.48

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Solution

The fourth proportional to 1,325.57, 1,829.48 and 794.48 is: 1,096.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325.57 : 1,829.48 = 794.48 : x
  2. Step 2: Convert to fraction form
    1,325.57/1,829.48 = 794.48/x
  3. Step 3: Cross multiply
    1,325.57x = 1,829.48 × 794.48
  4. Step 4: Simplify right side
    1,325.57x = 1,453,485.27
  5. Step 5: Solve for x
    x = 1,453,485.27/1,325.57
  6. Step 6: Final answer
    x = 1,096.50

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1.5x scale

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.