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Finding the Fourth Proportional to 6,645,547.31, 9,968,320.96 and 1,596,857.81

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Solution

The fourth proportional to 6,645,547.31, 9,968,320.96 and 1,596,857.81 is: 2,395,286.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,645,547.31 : 9,968,320.96 = 1,596,857.81 : x
  2. Step 2: Convert to fraction form
    6,645,547.31/9,968,320.96 = 1,596,857.81/x
  3. Step 3: Cross multiply
    6,645,547.31x = 9,968,320.96 × 1,596,857.81
  4. Step 4: Simplify right side
    6,645,547.31x = 15,917,991,123,728.95
  5. Step 5: Solve for x
    x = 15,917,991,123,728.95/6,645,547.31
  6. Step 6: Final answer
    x = 2,395,286.71

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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.