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Finding the Fourth Proportional to 54,716.58, 75,458.52 and 34,538.58

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Solution

The fourth proportional to 54,716.58, 75,458.52 and 34,538.58 is: 47,631.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,716.58 : 75,458.52 = 34,538.58 : x
  2. Step 2: Convert to fraction form
    54,716.58/75,458.52 = 34,538.58/x
  3. Step 3: Cross multiply
    54,716.58x = 75,458.52 × 34,538.58
  4. Step 4: Simplify right side
    54,716.58x = 2,606,230,129.70
  5. Step 5: Solve for x
    x = 2,606,230,129.70/54,716.58
  6. Step 6: Final answer
    x = 47,631.45

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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.