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Finding the Fourth Proportional to 3,865.34, 5,798.43 and 1,232.23

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Solution

The fourth proportional to 3,865.34, 5,798.43 and 1,232.23 is: 1,848.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,865.34 : 5,798.43 = 1,232.23 : x
  2. Step 2: Convert to fraction form
    3,865.34/5,798.43 = 1,232.23/x
  3. Step 3: Cross multiply
    3,865.34x = 5,798.43 × 1,232.23
  4. Step 4: Simplify right side
    3,865.34x = 7,144,996.32
  5. Step 5: Solve for x
    x = 7,144,996.32/3,865.34
  6. Step 6: Final answer
    x = 1,848.48

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1.5x scale

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.