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Finding the Fourth Proportional to 7,136,998.94, 9,849,068.50 and 3,873,814.41

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Solution

The fourth proportional to 7,136,998.94, 9,849,068.50 and 3,873,814.41 is: 5,345,869.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,136,998.94 : 9,849,068.50 = 3,873,814.41 : x
  2. Step 2: Convert to fraction form
    7,136,998.94/9,849,068.50 = 3,873,814.41/x
  3. Step 3: Cross multiply
    7,136,998.94x = 9,849,068.50 × 3,873,814.41
  4. Step 4: Simplify right side
    7,136,998.94x = 38,153,463,480,377.09
  5. Step 5: Solve for x
    x = 38,153,463,480,377.09/7,136,998.94
  6. Step 6: Final answer
    x = 5,345,869.29

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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.