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Finding the Fourth Proportional to 5,751,526.75, 7,936,131.48 and 3,428,377.62

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Solution

The fourth proportional to 5,751,526.75, 7,936,131.48 and 3,428,377.62 is: 4,730,579.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,751,526.75 : 7,936,131.48 = 3,428,377.62 : x
  2. Step 2: Convert to fraction form
    5,751,526.75/7,936,131.48 = 3,428,377.62/x
  3. Step 3: Cross multiply
    5,751,526.75x = 7,936,131.48 × 3,428,377.62
  4. Step 4: Simplify right side
    5,751,526.75x = 27,208,055,512,792.57
  5. Step 5: Solve for x
    x = 27,208,055,512,792.57/5,751,526.75
  6. Step 6: Final answer
    x = 4,730,579.67

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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.