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Finding the Fourth Proportional to 29,622.98, 44,396.58 and 12,978.56

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Solution

The fourth proportional to 29,622.98, 44,396.58 and 12,978.56 is: 19,451.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,622.98 : 44,396.58 = 12,978.56 : x
  2. Step 2: Convert to fraction form
    29,622.98/44,396.58 = 12,978.56/x
  3. Step 3: Cross multiply
    29,622.98x = 44,396.58 × 12,978.56
  4. Step 4: Simplify right side
    29,622.98x = 576,203,677.32
  5. Step 5: Solve for x
    x = 576,203,677.32/29,622.98
  6. Step 6: Final answer
    x = 19,451.24

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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.