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Finding the Fourth Proportional to 5,393,114.70, 8,089,672.05 and 1,554,929.70

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Solution

The fourth proportional to 5,393,114.70, 8,089,672.05 and 1,554,929.70 is: 2,332,394.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,393,114.70 : 8,089,672.05 = 1,554,929.70 : x
  2. Step 2: Convert to fraction form
    5,393,114.70/8,089,672.05 = 1,554,929.70/x
  3. Step 3: Cross multiply
    5,393,114.70x = 8,089,672.05 × 1,554,929.70
  4. Step 4: Simplify right side
    5,393,114.70x = 12,578,871,333,804.88
  5. Step 5: Solve for x
    x = 12,578,871,333,804.88/5,393,114.70
  6. Step 6: Final answer
    x = 2,332,394.55

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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.