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Finding the Fourth Proportional to 26,357, 36,384.54 and 16,809.70

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Solution

The fourth proportional to 26,357, 36,384.54 and 16,809.70 is: 23,204.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,357 : 36,384.54 = 16,809.70 : x
  2. Step 2: Convert to fraction form
    26,357/36,384.54 = 16,809.70/x
  3. Step 3: Cross multiply
    26,357x = 36,384.54 × 16,809.70
  4. Step 4: Simplify right side
    26,357x = 611,613,202.04
  5. Step 5: Solve for x
    x = 611,613,202.04/26,357
  6. Step 6: Final answer
    x = 23,204.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.