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Finding the Fourth Proportional to 17,393.80, 26,109.90 and 16,265.80

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Solution

The fourth proportional to 17,393.80, 26,109.90 and 16,265.80 is: 24,416.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,393.80 : 26,109.90 = 16,265.80 : x
  2. Step 2: Convert to fraction form
    17,393.80/26,109.90 = 16,265.80/x
  3. Step 3: Cross multiply
    17,393.80x = 26,109.90 × 16,265.80
  4. Step 4: Simplify right side
    17,393.80x = 424,698,411.42
  5. Step 5: Solve for x
    x = 424,698,411.42/17,393.80
  6. Step 6: Final answer
    x = 24,416.65

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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.