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Finding the Fourth Proportional to 54,357.91, 74,944.47 and 35,203.84

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Solution

The fourth proportional to 54,357.91, 74,944.47 and 35,203.84 is: 48,536.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,357.91 : 74,944.47 = 35,203.84 : x
  2. Step 2: Convert to fraction form
    54,357.91/74,944.47 = 35,203.84/x
  3. Step 3: Cross multiply
    54,357.91x = 74,944.47 × 35,203.84
  4. Step 4: Simplify right side
    54,357.91x = 2,638,333,075.42
  5. Step 5: Solve for x
    x = 2,638,333,075.42/54,357.91
  6. Step 6: Final answer
    x = 48,536.33

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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.