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Finding the Fourth Proportional to 8,723.98, 13,085.95 and 2,567.98

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Solution

The fourth proportional to 8,723.98, 13,085.95 and 2,567.98 is: 3,851.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,723.98 : 13,085.95 = 2,567.98 : x
  2. Step 2: Convert to fraction form
    8,723.98/13,085.95 = 2,567.98/x
  3. Step 3: Cross multiply
    8,723.98x = 13,085.95 × 2,567.98
  4. Step 4: Simplify right side
    8,723.98x = 33,604,418.75
  5. Step 5: Solve for x
    x = 33,604,418.75/8,723.98
  6. Step 6: Final answer
    x = 3,851.96

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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.