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Finding the Fourth Proportional to 44,424.99, 66,627.66 and 12,828.17

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Solution

The fourth proportional to 44,424.99, 66,627.66 and 12,828.17 is: 19,239.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,424.99 : 66,627.66 = 12,828.17 : x
  2. Step 2: Convert to fraction form
    44,424.99/66,627.66 = 12,828.17/x
  3. Step 3: Cross multiply
    44,424.99x = 66,627.66 × 12,828.17
  4. Step 4: Simplify right side
    44,424.99x = 854,711,163.86
  5. Step 5: Solve for x
    x = 854,711,163.86/44,424.99
  6. Step 6: Final answer
    x = 19,239.42

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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.