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Finding the Fourth Proportional to 15,713,999.20, 23,570,998.80 and 15,713,999.20

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Solution

The fourth proportional to 15,713,999.20, 23,570,998.80 and 15,713,999.20 is: 23,570,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,713,999.20 : 23,570,998.80 = 15,713,999.20 : x
  2. Step 2: Convert to fraction form
    15,713,999.20/23,570,998.80 = 15,713,999.20/x
  3. Step 3: Cross multiply
    15,713,999.20x = 23,570,998.80 × 15,713,999.20
  4. Step 4: Simplify right side
    15,713,999.20x = 370,394,656,286,400.94
  5. Step 5: Solve for x
    x = 370,394,656,286,400.94/15,713,999.20
  6. Step 6: Final answer
    x = 23,570,998.80

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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.