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Finding the Fourth Proportional to 6,645,547.93, 9,968,321.90 and 1,596,858.43

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Solution

The fourth proportional to 6,645,547.93, 9,968,321.90 and 1,596,858.43 is: 2,395,287.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,645,547.93 : 9,968,321.90 = 1,596,858.43 : x
  2. Step 2: Convert to fraction form
    6,645,547.93/9,968,321.90 = 1,596,858.43/x
  3. Step 3: Cross multiply
    6,645,547.93x = 9,968,321.90 × 1,596,858.43
  4. Step 4: Simplify right side
    6,645,547.93x = 15,917,998,858,968.62
  5. Step 5: Solve for x
    x = 15,917,998,858,968.62/6,645,547.93
  6. Step 6: Final answer
    x = 2,395,287.65

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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.