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Finding the Fourth Proportional to 25,357,978.86, 38,055,129.18 and 10,795,108.54

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Solution

The fourth proportional to 25,357,978.86, 38,055,129.18 and 10,795,108.54 is: 16,200,394.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,357,978.86 : 38,055,129.18 = 10,795,108.54 : x
  2. Step 2: Convert to fraction form
    25,357,978.86/38,055,129.18 = 10,795,108.54/x
  3. Step 3: Cross multiply
    25,357,978.86x = 38,055,129.18 × 10,795,108.54
  4. Step 4: Simplify right side
    25,357,978.86x = 410,809,250,001,821.19
  5. Step 5: Solve for x
    x = 410,809,250,001,821.19/25,357,978.86
  6. Step 6: Final answer
    x = 16,200,394.06

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.