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Finding the Fourth Proportional to 6,668,844.79, 9,203,004.01 and 3,613,059.04

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Solution

The fourth proportional to 6,668,844.79, 9,203,004.01 and 3,613,059.04 is: 4,986,020.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,668,844.79 : 9,203,004.01 = 3,613,059.04 : x
  2. Step 2: Convert to fraction form
    6,668,844.79/9,203,004.01 = 3,613,059.04/x
  3. Step 3: Cross multiply
    6,668,844.79x = 9,203,004.01 × 3,613,059.04
  4. Step 4: Simplify right side
    6,668,844.79x = 33,250,996,833,486.75
  5. Step 5: Solve for x
    x = 33,250,996,833,486.75/6,668,844.79
  6. Step 6: Final answer
    x = 4,986,020.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.