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Finding the Fourth Proportional to 23,777.56, 35,655.32 and 8,780.90

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Solution

The fourth proportional to 23,777.56, 35,655.32 and 8,780.90 is: 13,167.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,777.56 : 35,655.32 = 8,780.90 : x
  2. Step 2: Convert to fraction form
    23,777.56/35,655.32 = 8,780.90/x
  3. Step 3: Cross multiply
    23,777.56x = 35,655.32 × 8,780.90
  4. Step 4: Simplify right side
    23,777.56x = 313,085,799.39
  5. Step 5: Solve for x
    x = 313,085,799.39/23,777.56
  6. Step 6: Final answer
    x = 13,167.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.