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Finding the Fourth Proportional to 6,597,109.89, 9,906,547.89 and 4,451,917.13

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Solution

The fourth proportional to 6,597,109.89, 9,906,547.89 and 4,451,917.13 is: 6,685,219.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,597,109.89 : 9,906,547.89 = 4,451,917.13 : x
  2. Step 2: Convert to fraction form
    6,597,109.89/9,906,547.89 = 4,451,917.13/x
  3. Step 3: Cross multiply
    6,597,109.89x = 9,906,547.89 × 4,451,917.13
  4. Step 4: Simplify right side
    6,597,109.89x = 44,103,130,250,656.36
  5. Step 5: Solve for x
    x = 44,103,130,250,656.36/6,597,109.89
  6. Step 6: Final answer
    x = 6,685,219.89

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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.