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Finding the Fourth Proportional to 54,699.94, 74,993.64 and 53,703.54

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Solution

The fourth proportional to 54,699.94, 74,993.64 and 53,703.54 is: 73,627.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,699.94 : 74,993.64 = 53,703.54 : x
  2. Step 2: Convert to fraction form
    54,699.94/74,993.64 = 53,703.54/x
  3. Step 3: Cross multiply
    54,699.94x = 74,993.64 × 53,703.54
  4. Step 4: Simplify right side
    54,699.94x = 4,027,423,945.49
  5. Step 5: Solve for x
    x = 4,027,423,945.49/54,699.94
  6. Step 6: Final answer
    x = 73,627.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.