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Finding the Fourth Proportional to 3,562,648.50, 4,916,980.20 and 2,256,019.80

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Solution

The fourth proportional to 3,562,648.50, 4,916,980.20 and 2,256,019.80 is: 3,113,639.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,562,648.50 : 4,916,980.20 = 2,256,019.80 : x
  2. Step 2: Convert to fraction form
    3,562,648.50/4,916,980.20 = 2,256,019.80/x
  3. Step 3: Cross multiply
    3,562,648.50x = 4,916,980.20 × 2,256,019.80
  4. Step 4: Simplify right side
    3,562,648.50x = 11,092,804,687,407.96
  5. Step 5: Solve for x
    x = 11,092,804,687,407.96/3,562,648.50
  6. Step 6: Final answer
    x = 3,113,639.95

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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.