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Finding the Fourth Proportional to 9,842,112.10, 14,778,914.55 and 7,448,659.30

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Solution

The fourth proportional to 9,842,112.10, 14,778,914.55 and 7,448,659.30 is: 11,184,906.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,842,112.10 : 14,778,914.55 = 7,448,659.30 : x
  2. Step 2: Convert to fraction form
    9,842,112.10/14,778,914.55 = 7,448,659.30/x
  3. Step 3: Cross multiply
    9,842,112.10x = 14,778,914.55 × 7,448,659.30
  4. Step 4: Simplify right side
    9,842,112.10x = 110,083,099,306,762.81
  5. Step 5: Solve for x
    x = 110,083,099,306,762.81/9,842,112.10
  6. Step 6: Final answer
    x = 11,184,906.06

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Why These Related Problems?

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