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Finding the Fourth Proportional to 2,989,529.60, 4,175,893.60 and 2,989,529.60

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Solution

The fourth proportional to 2,989,529.60, 4,175,893.60 and 2,989,529.60 is: 4,175,893.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,529.60 : 4,175,893.60 = 2,989,529.60 : x
  2. Step 2: Convert to fraction form
    2,989,529.60/4,175,893.60 = 2,989,529.60/x
  3. Step 3: Cross multiply
    2,989,529.60x = 4,175,893.60 × 2,989,529.60
  4. Step 4: Simplify right side
    2,989,529.60x = 12,483,957,523,650.56
  5. Step 5: Solve for x
    x = 12,483,957,523,650.56/2,989,529.60
  6. Step 6: Final answer
    x = 4,175,893.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.