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Finding the Fourth Proportional to 17,097.75, 25,783.34 and 16,863.84

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Solution

The fourth proportional to 17,097.75, 25,783.34 and 16,863.84 is: 25,430.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,097.75 : 25,783.34 = 16,863.84 : x
  2. Step 2: Convert to fraction form
    17,097.75/25,783.34 = 16,863.84/x
  3. Step 3: Cross multiply
    17,097.75x = 25,783.34 × 16,863.84
  4. Step 4: Simplify right side
    17,097.75x = 434,806,036.11
  5. Step 5: Solve for x
    x = 434,806,036.11/17,097.75
  6. Step 6: Final answer
    x = 25,430.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.