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Finding the Fourth Proportional to 12,595.23, 18,897.99 and 8,889.48

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Solution

The fourth proportional to 12,595.23, 18,897.99 and 8,889.48 is: 13,337.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,595.23 : 18,897.99 = 8,889.48 : x
  2. Step 2: Convert to fraction form
    12,595.23/18,897.99 = 8,889.48/x
  3. Step 3: Cross multiply
    12,595.23x = 18,897.99 × 8,889.48
  4. Step 4: Simplify right side
    12,595.23x = 167,993,304.15
  5. Step 5: Solve for x
    x = 167,993,304.15/12,595.23
  6. Step 6: Final answer
    x = 13,337.85

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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.