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Finding the Fourth Proportional to 30,243.32, 45,361.36 and 8,058.32

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Solution

The fourth proportional to 30,243.32, 45,361.36 and 8,058.32 is: 12,086.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,243.32 : 45,361.36 = 8,058.32 : x
  2. Step 2: Convert to fraction form
    30,243.32/45,361.36 = 8,058.32/x
  3. Step 3: Cross multiply
    30,243.32x = 45,361.36 × 8,058.32
  4. Step 4: Simplify right side
    30,243.32x = 365,536,354.52
  5. Step 5: Solve for x
    x = 365,536,354.52/30,243.32
  6. Step 6: Final answer
    x = 12,086.52

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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.