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Finding the Fourth Proportional to 38,736,007.80, 58,097,790.90 and 11,803,399.80

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Solution

The fourth proportional to 38,736,007.80, 58,097,790.90 and 11,803,399.80 is: 17,703,204.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,736,007.80 : 58,097,790.90 = 11,803,399.80 : x
  2. Step 2: Convert to fraction form
    38,736,007.80/58,097,790.90 = 11,803,399.80/x
  3. Step 3: Cross multiply
    38,736,007.80x = 58,097,790.90 × 11,803,399.80
  4. Step 4: Simplify right side
    38,736,007.80x = 685,751,453,489,501.88
  5. Step 5: Solve for x
    x = 685,751,453,489,501.88/38,736,007.80
  6. Step 6: Final answer
    x = 17,703,204.14

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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.