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Finding the Fourth Proportional to 16,655.22, 24,986.07 and 7,885.35

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Solution

The fourth proportional to 16,655.22, 24,986.07 and 7,885.35 is: 11,829.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,655.22 : 24,986.07 = 7,885.35 : x
  2. Step 2: Convert to fraction form
    16,655.22/24,986.07 = 7,885.35/x
  3. Step 3: Cross multiply
    16,655.22x = 24,986.07 × 7,885.35
  4. Step 4: Simplify right side
    16,655.22x = 197,023,907.07
  5. Step 5: Solve for x
    x = 197,023,907.07/16,655.22
  6. Step 6: Final answer
    x = 11,829.56

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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.