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Finding the Fourth Proportional to 17,898.32, 26,842 and 8,533.40

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Solution

The fourth proportional to 17,898.32, 26,842 and 8,533.40 is: 12,797.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,898.32 : 26,842 = 8,533.40 : x
  2. Step 2: Convert to fraction form
    17,898.32/26,842 = 8,533.40/x
  3. Step 3: Cross multiply
    17,898.32x = 26,842 × 8,533.40
  4. Step 4: Simplify right side
    17,898.32x = 229,053,522.80
  5. Step 5: Solve for x
    x = 229,053,522.80/17,898.32
  6. Step 6: Final answer
    x = 12,797.49

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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.