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Finding the Fourth Proportional to 26,412.80, 36,908.80 and 26,412.80

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Solution

The fourth proportional to 26,412.80, 36,908.80 and 26,412.80 is: 36,908.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,412.80 : 36,908.80 = 26,412.80 : x
  2. Step 2: Convert to fraction form
    26,412.80/36,908.80 = 26,412.80/x
  3. Step 3: Cross multiply
    26,412.80x = 36,908.80 × 26,412.80
  4. Step 4: Simplify right side
    26,412.80x = 974,864,752.64
  5. Step 5: Solve for x
    x = 974,864,752.64/26,412.80
  6. Step 6: Final answer
    x = 36,908.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.