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Finding the Fourth Proportional to 58,768, 81,101.68 and 33,273.96

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Solution

The fourth proportional to 58,768, 81,101.68 and 33,273.96 is: 45,919.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,768 : 81,101.68 = 33,273.96 : x
  2. Step 2: Convert to fraction form
    58,768/81,101.68 = 33,273.96/x
  3. Step 3: Cross multiply
    58,768x = 81,101.68 × 33,273.96
  4. Step 4: Simplify right side
    58,768x = 2,698,574,056.25
  5. Step 5: Solve for x
    x = 2,698,574,056.25/58,768
  6. Step 6: Final answer
    x = 45,919.11

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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.