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Finding the Fourth Proportional to 7,224,735.87, 9,975,366.05 and 4,650,900.22

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Solution

The fourth proportional to 7,224,735.87, 9,975,366.05 and 4,650,900.22 is: 6,421,609.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,224,735.87 : 9,975,366.05 = 4,650,900.22 : x
  2. Step 2: Convert to fraction form
    7,224,735.87/9,975,366.05 = 4,650,900.22/x
  3. Step 3: Cross multiply
    7,224,735.87x = 9,975,366.05 × 4,650,900.22
  4. Step 4: Simplify right side
    7,224,735.87x = 46,394,432,106,648.70
  5. Step 5: Solve for x
    x = 46,394,432,106,648.70/7,224,735.87
  6. Step 6: Final answer
    x = 6,421,609.45

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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.