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Finding the Fourth Proportional to 59,093.88, 81,590.64 and 47,813.42

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Solution

The fourth proportional to 59,093.88, 81,590.64 and 47,813.42 is: 66,015.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,093.88 : 81,590.64 = 47,813.42 : x
  2. Step 2: Convert to fraction form
    59,093.88/81,590.64 = 47,813.42/x
  3. Step 3: Cross multiply
    59,093.88x = 81,590.64 × 47,813.42
  4. Step 4: Simplify right side
    59,093.88x = 3,901,127,538.39
  5. Step 5: Solve for x
    x = 3,901,127,538.39/59,093.88
  6. Step 6: Final answer
    x = 66,015.76

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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.