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Finding the Fourth Proportional to 14,897.98, 20,560.86 and 8,525.17

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Solution

The fourth proportional to 14,897.98, 20,560.86 and 8,525.17 is: 11,765.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,897.98 : 20,560.86 = 8,525.17 : x
  2. Step 2: Convert to fraction form
    14,897.98/20,560.86 = 8,525.17/x
  3. Step 3: Cross multiply
    14,897.98x = 20,560.86 × 8,525.17
  4. Step 4: Simplify right side
    14,897.98x = 175,284,826.85
  5. Step 5: Solve for x
    x = 175,284,826.85/14,897.98
  6. Step 6: Final answer
    x = 11,765.68

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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.