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Finding the Fourth Proportional to 17,461.79, 26,192.81 and 4,981.79

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Solution

The fourth proportional to 17,461.79, 26,192.81 and 4,981.79 is: 7,472.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,461.79 : 26,192.81 = 4,981.79 : x
  2. Step 2: Convert to fraction form
    17,461.79/26,192.81 = 4,981.79/x
  3. Step 3: Cross multiply
    17,461.79x = 26,192.81 × 4,981.79
  4. Step 4: Simplify right side
    17,461.79x = 130,486,923.06
  5. Step 5: Solve for x
    x = 130,486,923.06/17,461.79
  6. Step 6: Final answer
    x = 7,472.71

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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.