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Finding the Fourth Proportional to 54,907.23, 75,742.72 and 33,403.53

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Solution

The fourth proportional to 54,907.23, 75,742.72 and 33,403.53 is: 46,079.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,907.23 : 75,742.72 = 33,403.53 : x
  2. Step 2: Convert to fraction form
    54,907.23/75,742.72 = 33,403.53/x
  3. Step 3: Cross multiply
    54,907.23x = 75,742.72 × 33,403.53
  4. Step 4: Simplify right side
    54,907.23x = 2,530,074,219.80
  5. Step 5: Solve for x
    x = 2,530,074,219.80/54,907.23
  6. Step 6: Final answer
    x = 46,079.07

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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.