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Finding the Fourth Proportional to 5,315,999.65, 7,973,999.48 and 5,315,999.65

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Solution

The fourth proportional to 5,315,999.65, 7,973,999.48 and 5,315,999.65 is: 7,973,999.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315,999.65 : 7,973,999.48 = 5,315,999.65 : x
  2. Step 2: Convert to fraction form
    5,315,999.65/7,973,999.48 = 5,315,999.65/x
  3. Step 3: Cross multiply
    5,315,999.65x = 7,973,999.48 × 5,315,999.65
  4. Step 4: Simplify right side
    5,315,999.65x = 42,389,778,444,780.19
  5. Step 5: Solve for x
    x = 42,389,778,444,780.19/5,315,999.65
  6. Step 6: Final answer
    x = 7,973,999.48

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