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Finding the Fourth Proportional to 4,698,846.60, 7,048,269.90 and 3,954,829.20

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Solution

The fourth proportional to 4,698,846.60, 7,048,269.90 and 3,954,829.20 is: 5,932,243.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,698,846.60 : 7,048,269.90 = 3,954,829.20 : x
  2. Step 2: Convert to fraction form
    4,698,846.60/7,048,269.90 = 3,954,829.20/x
  3. Step 3: Cross multiply
    4,698,846.60x = 7,048,269.90 × 3,954,829.20
  4. Step 4: Simplify right side
    4,698,846.60x = 27,874,703,610,001.08
  5. Step 5: Solve for x
    x = 27,874,703,610,001.08/4,698,846.60
  6. Step 6: Final answer
    x = 5,932,243.80

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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.