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Finding the Fourth Proportional to 35,804.66, 49,411.12 and 19,890.60

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Solution

The fourth proportional to 35,804.66, 49,411.12 and 19,890.60 is: 27,449.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,804.66 : 49,411.12 = 19,890.60 : x
  2. Step 2: Convert to fraction form
    35,804.66/49,411.12 = 19,890.60/x
  3. Step 3: Cross multiply
    35,804.66x = 49,411.12 × 19,890.60
  4. Step 4: Simplify right side
    35,804.66x = 982,816,823.47
  5. Step 5: Solve for x
    x = 982,816,823.47/35,804.66
  6. Step 6: Final answer
    x = 27,449.41

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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.