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Finding the Fourth Proportional to 35,873.65, 49,505.47 and 19,957.15

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Solution

The fourth proportional to 35,873.65, 49,505.47 and 19,957.15 is: 27,540.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,873.65 : 49,505.47 = 19,957.15 : x
  2. Step 2: Convert to fraction form
    35,873.65/49,505.47 = 19,957.15/x
  3. Step 3: Cross multiply
    35,873.65x = 49,505.47 × 19,957.15
  4. Step 4: Simplify right side
    35,873.65x = 987,988,090.61
  5. Step 5: Solve for x
    x = 987,988,090.61/35,873.65
  6. Step 6: Final answer
    x = 27,540.77

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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.