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Finding the Fourth Proportional to 29,856.65, 41,219.24 and 19,798.76

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Solution

The fourth proportional to 29,856.65, 41,219.24 and 19,798.76 is: 27,333.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,856.65 : 41,219.24 = 19,798.76 : x
  2. Step 2: Convert to fraction form
    29,856.65/41,219.24 = 19,798.76/x
  3. Step 3: Cross multiply
    29,856.65x = 41,219.24 × 19,798.76
  4. Step 4: Simplify right side
    29,856.65x = 816,089,535.05
  5. Step 5: Solve for x
    x = 816,089,535.05/29,856.65
  6. Step 6: Final answer
    x = 27,333.60

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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.