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Finding the Fourth Proportional to 81,889.96, 113,010.66 and 44,596.70

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Solution

The fourth proportional to 81,889.96, 113,010.66 and 44,596.70 is: 61,544.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,889.96 : 113,010.66 = 44,596.70 : x
  2. Step 2: Convert to fraction form
    81,889.96/113,010.66 = 44,596.70/x
  3. Step 3: Cross multiply
    81,889.96x = 113,010.66 × 44,596.70
  4. Step 4: Simplify right side
    81,889.96x = 5,039,902,547.99
  5. Step 5: Solve for x
    x = 5,039,902,547.99/81,889.96
  6. Step 6: Final answer
    x = 61,544.81

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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.