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Finding the Fourth Proportional to 26,784.70, 40,177.05 and 16,416.70

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Solution

The fourth proportional to 26,784.70, 40,177.05 and 16,416.70 is: 24,625.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,784.70 : 40,177.05 = 16,416.70 : x
  2. Step 2: Convert to fraction form
    26,784.70/40,177.05 = 16,416.70/x
  3. Step 3: Cross multiply
    26,784.70x = 40,177.05 × 16,416.70
  4. Step 4: Simplify right side
    26,784.70x = 659,574,576.74
  5. Step 5: Solve for x
    x = 659,574,576.74/26,784.70
  6. Step 6: Final answer
    x = 24,625.05

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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.