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Finding the Fourth Proportional to 55,603.40, 76,751.41 and 33,799.60

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Solution

The fourth proportional to 55,603.40, 76,751.41 and 33,799.60 is: 46,654.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,603.40 : 76,751.41 = 33,799.60 : x
  2. Step 2: Convert to fraction form
    55,603.40/76,751.41 = 33,799.60/x
  3. Step 3: Cross multiply
    55,603.40x = 76,751.41 × 33,799.60
  4. Step 4: Simplify right side
    55,603.40x = 2,594,167,295.64
  5. Step 5: Solve for x
    x = 2,594,167,295.64/55,603.40
  6. Step 6: Final answer
    x = 46,654.83

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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.