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Finding the Fourth Proportional to 17,344.80, 26,024.40 and 12,445.92

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Solution

The fourth proportional to 17,344.80, 26,024.40 and 12,445.92 is: 18,674.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,344.80 : 26,024.40 = 12,445.92 : x
  2. Step 2: Convert to fraction form
    17,344.80/26,024.40 = 12,445.92/x
  3. Step 3: Cross multiply
    17,344.80x = 26,024.40 × 12,445.92
  4. Step 4: Simplify right side
    17,344.80x = 323,897,600.45
  5. Step 5: Solve for x
    x = 323,897,600.45/17,344.80
  6. Step 6: Final answer
    x = 18,674.05

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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.