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Finding the Fourth Proportional to 29,643.56, 44,448.94 and 12,125.70

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Solution

The fourth proportional to 29,643.56, 44,448.94 and 12,125.70 is: 18,181.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,643.56 : 44,448.94 = 12,125.70 : x
  2. Step 2: Convert to fraction form
    29,643.56/44,448.94 = 12,125.70/x
  3. Step 3: Cross multiply
    29,643.56x = 44,448.94 × 12,125.70
  4. Step 4: Simplify right side
    29,643.56x = 538,974,511.76
  5. Step 5: Solve for x
    x = 538,974,511.76/29,643.56
  6. Step 6: Final answer
    x = 18,181.84

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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.