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Finding the Fourth Proportional to 17,188.71, 25,783.08 and 4,708.84

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Solution

The fourth proportional to 17,188.71, 25,783.08 and 4,708.84 is: 7,063.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,188.71 : 25,783.08 = 4,708.84 : x
  2. Step 2: Convert to fraction form
    17,188.71/25,783.08 = 4,708.84/x
  3. Step 3: Cross multiply
    17,188.71x = 25,783.08 × 4,708.84
  4. Step 4: Simplify right side
    17,188.71x = 121,408,448.31
  5. Step 5: Solve for x
    x = 121,408,448.31/17,188.71
  6. Step 6: Final answer
    x = 7,063.27

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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.