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Finding the Fourth Proportional to 17,788.60, 26,682.90 and 16,233.40

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Solution

The fourth proportional to 17,788.60, 26,682.90 and 16,233.40 is: 24,350.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,788.60 : 26,682.90 = 16,233.40 : x
  2. Step 2: Convert to fraction form
    17,788.60/26,682.90 = 16,233.40/x
  3. Step 3: Cross multiply
    17,788.60x = 26,682.90 × 16,233.40
  4. Step 4: Simplify right side
    17,788.60x = 433,154,188.86
  5. Step 5: Solve for x
    x = 433,154,188.86/17,788.60
  6. Step 6: Final answer
    x = 24,350.10

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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.