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Finding the Fourth Proportional to 8,635,694.96, 11,907,543.64 and 7,060,913.51

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Solution

The fourth proportional to 8,635,694.96, 11,907,543.64 and 7,060,913.51 is: 9,736,116.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,635,694.96 : 11,907,543.64 = 7,060,913.51 : x
  2. Step 2: Convert to fraction form
    8,635,694.96/11,907,543.64 = 7,060,913.51/x
  3. Step 3: Cross multiply
    8,635,694.96x = 11,907,543.64 × 7,060,913.51
  4. Step 4: Simplify right side
    8,635,694.96x = 84,078,135,758,590.58
  5. Step 5: Solve for x
    x = 84,078,135,758,590.58/8,635,694.96
  6. Step 6: Final answer
    x = 9,736,116.91

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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.