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Finding the Fourth Proportional to 3,968,745.60, 5,954,500.80 and 1,726,492.80

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Solution

The fourth proportional to 3,968,745.60, 5,954,500.80 and 1,726,492.80 is: 2,590,340.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,968,745.60 : 5,954,500.80 = 1,726,492.80 : x
  2. Step 2: Convert to fraction form
    3,968,745.60/5,954,500.80 = 1,726,492.80/x
  3. Step 3: Cross multiply
    3,968,745.60x = 5,954,500.80 × 1,726,492.80
  4. Step 4: Simplify right side
    3,968,745.60x = 10,280,402,758,794.24
  5. Step 5: Solve for x
    x = 10,280,402,758,794.24/3,968,745.60
  6. Step 6: Final answer
    x = 2,590,340.57

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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.