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Finding the Fourth Proportional to 12,775,616.04, 17,636,671.50 and 7,883,532.15

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Solution

The fourth proportional to 12,775,616.04, 17,636,671.50 and 7,883,532.15 is: 10,883,175.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,775,616.04 : 17,636,671.50 = 7,883,532.15 : x
  2. Step 2: Convert to fraction form
    12,775,616.04/17,636,671.50 = 7,883,532.15/x
  3. Step 3: Cross multiply
    12,775,616.04x = 17,636,671.50 × 7,883,532.15
  4. Step 4: Simplify right side
    12,775,616.04x = 139,039,266,789,238.73
  5. Step 5: Solve for x
    x = 139,039,266,789,238.73/12,775,616.04
  6. Step 6: Final answer
    x = 10,883,175.13

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.