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Finding the Fourth Proportional to 2,825,894.78, 3,899,762.47 and 1,536,763.02

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Solution

The fourth proportional to 2,825,894.78, 3,899,762.47 and 1,536,763.02 is: 2,120,748.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,825,894.78 : 3,899,762.47 = 1,536,763.02 : x
  2. Step 2: Convert to fraction form
    2,825,894.78/3,899,762.47 = 1,536,763.02/x
  3. Step 3: Cross multiply
    2,825,894.78x = 3,899,762.47 × 1,536,763.02
  4. Step 4: Simplify right side
    2,825,894.78x = 5,993,010,750,679.86
  5. Step 5: Solve for x
    x = 5,993,010,750,679.86/2,825,894.78
  6. Step 6: Final answer
    x = 2,120,748.02

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.