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Finding the Fourth Proportional to 54,579, 75,322.53 and 33,083.58

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Solution

The fourth proportional to 54,579, 75,322.53 and 33,083.58 is: 45,657.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,579 : 75,322.53 = 33,083.58 : x
  2. Step 2: Convert to fraction form
    54,579/75,322.53 = 33,083.58/x
  3. Step 3: Cross multiply
    54,579x = 75,322.53 × 33,083.58
  4. Step 4: Simplify right side
    54,579x = 2,491,938,947.06
  5. Step 5: Solve for x
    x = 2,491,938,947.06/54,579
  6. Step 6: Final answer
    x = 45,657.47

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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.