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Finding the Fourth Proportional to 7,356.88, 10,153.92 and 4,834.54

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Solution

The fourth proportional to 7,356.88, 10,153.92 and 4,834.54 is: 6,672.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,356.88 : 10,153.92 = 4,834.54 : x
  2. Step 2: Convert to fraction form
    7,356.88/10,153.92 = 4,834.54/x
  3. Step 3: Cross multiply
    7,356.88x = 10,153.92 × 4,834.54
  4. Step 4: Simplify right side
    7,356.88x = 49,089,532.40
  5. Step 5: Solve for x
    x = 49,089,532.40/7,356.88
  6. Step 6: Final answer
    x = 6,672.60

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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.