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Finding the Fourth Proportional to 54,763.88, 75,582.36 and 33,555.45

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Solution

The fourth proportional to 54,763.88, 75,582.36 and 33,555.45 is: 46,311.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,763.88 : 75,582.36 = 33,555.45 : x
  2. Step 2: Convert to fraction form
    54,763.88/75,582.36 = 33,555.45/x
  3. Step 3: Cross multiply
    54,763.88x = 75,582.36 × 33,555.45
  4. Step 4: Simplify right side
    54,763.88x = 2,536,200,101.86
  5. Step 5: Solve for x
    x = 2,536,200,101.86/54,763.88
  6. Step 6: Final answer
    x = 46,311.55

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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.