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Finding the Fourth Proportional to 28,959,682.60, 43,438,859.70 and 14,578,888.60

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Solution

The fourth proportional to 28,959,682.60, 43,438,859.70 and 14,578,888.60 is: 21,867,998.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,959,682.60 : 43,438,859.70 = 14,578,888.60 : x
  2. Step 2: Convert to fraction form
    28,959,682.60/43,438,859.70 = 14,578,888.60/x
  3. Step 3: Cross multiply
    28,959,682.60x = 43,438,859.70 × 14,578,888.60
  4. Step 4: Simplify right side
    28,959,682.60x = 633,290,296,477,329.50
  5. Step 5: Solve for x
    x = 633,290,296,477,329.50/28,959,682.60
  6. Step 6: Final answer
    x = 21,867,998.53

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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.