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Finding the Fourth Proportional to 54,699.87, 75,448.35 and 33,489.63

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Solution

The fourth proportional to 54,699.87, 75,448.35 and 33,489.63 is: 46,192.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,699.87 : 75,448.35 = 33,489.63 : x
  2. Step 2: Convert to fraction form
    54,699.87/75,448.35 = 33,489.63/x
  3. Step 3: Cross multiply
    54,699.87x = 75,448.35 × 33,489.63
  4. Step 4: Simplify right side
    54,699.87x = 2,526,737,325.61
  5. Step 5: Solve for x
    x = 2,526,737,325.61/54,699.87
  6. Step 6: Final answer
    x = 46,192.75

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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.