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Finding the Fourth Proportional to 17,353.60, 26,026.50 and 7,984.63

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Solution

The fourth proportional to 17,353.60, 26,026.50 and 7,984.63 is: 11,975.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,353.60 : 26,026.50 = 7,984.63 : x
  2. Step 2: Convert to fraction form
    17,353.60/26,026.50 = 7,984.63/x
  3. Step 3: Cross multiply
    17,353.60x = 26,026.50 × 7,984.63
  4. Step 4: Simplify right side
    17,353.60x = 207,811,972.70
  5. Step 5: Solve for x
    x = 207,811,972.70/17,353.60
  6. Step 6: Final answer
    x = 11,975.15

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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.