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Finding the Fourth Proportional to 17,465.60, 26,169.60 and 16,428.80

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Solution

The fourth proportional to 17,465.60, 26,169.60 and 16,428.80 is: 24,616.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,465.60 : 26,169.60 = 16,428.80 : x
  2. Step 2: Convert to fraction form
    17,465.60/26,169.60 = 16,428.80/x
  3. Step 3: Cross multiply
    17,465.60x = 26,169.60 × 16,428.80
  4. Step 4: Simplify right side
    17,465.60x = 429,935,124.48
  5. Step 5: Solve for x
    x = 429,935,124.48/17,465.60
  6. Step 6: Final answer
    x = 24,616.11

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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.