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Finding the Fourth Proportional to 54,751.76, 75,064.82 and 53,755.28

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Solution

The fourth proportional to 54,751.76, 75,064.82 and 53,755.28 is: 73,698.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,751.76 : 75,064.82 = 53,755.28 : x
  2. Step 2: Convert to fraction form
    54,751.76/75,064.82 = 53,755.28/x
  3. Step 3: Cross multiply
    54,751.76x = 75,064.82 × 53,755.28
  4. Step 4: Simplify right side
    54,751.76x = 4,035,130,417.25
  5. Step 5: Solve for x
    x = 4,035,130,417.25/54,751.76
  6. Step 6: Final answer
    x = 73,698.64

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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.