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Finding the Fourth Proportional to 17,630.60, 26,492.70 and 9,739.40

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Solution

The fourth proportional to 17,630.60, 26,492.70 and 9,739.40 is: 14,634.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,630.60 : 26,492.70 = 9,739.40 : x
  2. Step 2: Convert to fraction form
    17,630.60/26,492.70 = 9,739.40/x
  3. Step 3: Cross multiply
    17,630.60x = 26,492.70 × 9,739.40
  4. Step 4: Simplify right side
    17,630.60x = 258,023,002.38
  5. Step 5: Solve for x
    x = 258,023,002.38/17,630.60
  6. Step 6: Final answer
    x = 14,634.95

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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.