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Finding the Fourth Proportional to 12,089,978.10, 16,684,144.05 and 6,583,267.70

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Solution

The fourth proportional to 12,089,978.10, 16,684,144.05 and 6,583,267.70 is: 9,084,895.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,089,978.10 : 16,684,144.05 = 6,583,267.70 : x
  2. Step 2: Convert to fraction form
    12,089,978.10/16,684,144.05 = 6,583,267.70/x
  3. Step 3: Cross multiply
    12,089,978.10x = 16,684,144.05 × 6,583,267.70
  4. Step 4: Simplify right side
    12,089,978.10x = 109,836,186,626,512.19
  5. Step 5: Solve for x
    x = 109,836,186,626,512.19/12,089,978.10
  6. Step 6: Final answer
    x = 9,084,895.42

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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.