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Finding the Fourth Proportional to 47,777.40, 65,932.80 and 26,556.70

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Solution

The fourth proportional to 47,777.40, 65,932.80 and 26,556.70 is: 36,648.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,777.40 : 65,932.80 = 26,556.70 : x
  2. Step 2: Convert to fraction form
    47,777.40/65,932.80 = 26,556.70/x
  3. Step 3: Cross multiply
    47,777.40x = 65,932.80 × 26,556.70
  4. Step 4: Simplify right side
    47,777.40x = 1,750,957,589.76
  5. Step 5: Solve for x
    x = 1,750,957,589.76/47,777.40
  6. Step 6: Final answer
    x = 36,648.24

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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.