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Finding the Fourth Proportional to 54,784.88, 75,608.64 and 33,578.24

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Solution

The fourth proportional to 54,784.88, 75,608.64 and 33,578.24 is: 46,341.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,784.88 : 75,608.64 = 33,578.24 : x
  2. Step 2: Convert to fraction form
    54,784.88/75,608.64 = 33,578.24/x
  3. Step 3: Cross multiply
    54,784.88x = 75,608.64 × 33,578.24
  4. Step 4: Simplify right side
    54,784.88x = 2,538,805,059.99
  5. Step 5: Solve for x
    x = 2,538,805,059.99/54,784.88
  6. Step 6: Final answer
    x = 46,341.35

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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.