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Finding the Fourth Proportional to 44,374.84, 66,503.94 and 21,007.96

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Solution

The fourth proportional to 44,374.84, 66,503.94 and 21,007.96 is: 31,484.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,374.84 : 66,503.94 = 21,007.96 : x
  2. Step 2: Convert to fraction form
    44,374.84/66,503.94 = 21,007.96/x
  3. Step 3: Cross multiply
    44,374.84x = 66,503.94 × 21,007.96
  4. Step 4: Simplify right side
    44,374.84x = 1,397,111,866.32
  5. Step 5: Solve for x
    x = 1,397,111,866.32/44,374.84
  6. Step 6: Final answer
    x = 31,484.33

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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.