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Finding the Fourth Proportional to 8,668,794.51, 11,963,129.65 and 4,947,550.83

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Solution

The fourth proportional to 8,668,794.51, 11,963,129.65 and 4,947,550.83 is: 6,827,730.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,668,794.51 : 11,963,129.65 = 4,947,550.83 : x
  2. Step 2: Convert to fraction form
    8,668,794.51/11,963,129.65 = 4,947,550.83/x
  3. Step 3: Cross multiply
    8,668,794.51x = 11,963,129.65 × 4,947,550.83
  4. Step 4: Simplify right side
    8,668,794.51x = 59,188,192,016,886.23
  5. Step 5: Solve for x
    x = 59,188,192,016,886.23/8,668,794.51
  6. Step 6: Final answer
    x = 6,827,730.42

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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.