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Finding the Fourth Proportional to 54,803, 75,628.68 and 29,653.04

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Solution

The fourth proportional to 54,803, 75,628.68 and 29,653.04 is: 40,921.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,803 : 75,628.68 = 29,653.04 : x
  2. Step 2: Convert to fraction form
    54,803/75,628.68 = 29,653.04/x
  3. Step 3: Cross multiply
    54,803x = 75,628.68 × 29,653.04
  4. Step 4: Simplify right side
    54,803x = 2,242,620,273.19
  5. Step 5: Solve for x
    x = 2,242,620,273.19/54,803
  6. Step 6: Final answer
    x = 40,921.49

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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.