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Finding the Fourth Proportional to 54,837, 75,675.60 and 29,687.04

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Solution

The fourth proportional to 54,837, 75,675.60 and 29,687.04 is: 40,968.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,837 : 75,675.60 = 29,687.04 : x
  2. Step 2: Convert to fraction form
    54,837/75,675.60 = 29,687.04/x
  3. Step 3: Cross multiply
    54,837x = 75,675.60 × 29,687.04
  4. Step 4: Simplify right side
    54,837x = 2,246,584,564.22
  5. Step 5: Solve for x
    x = 2,246,584,564.22/54,837
  6. Step 6: Final answer
    x = 40,968.41

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1.5x scale

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.