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Finding the Fourth Proportional to 16,892.80, 25,339.20 and 8,598.40

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Solution

The fourth proportional to 16,892.80, 25,339.20 and 8,598.40 is: 12,897.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,892.80 : 25,339.20 = 8,598.40 : x
  2. Step 2: Convert to fraction form
    16,892.80/25,339.20 = 8,598.40/x
  3. Step 3: Cross multiply
    16,892.80x = 25,339.20 × 8,598.40
  4. Step 4: Simplify right side
    16,892.80x = 217,876,577.28
  5. Step 5: Solve for x
    x = 217,876,577.28/16,892.80
  6. Step 6: Final answer
    x = 12,897.60

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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.