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Finding the Fourth Proportional to 35,707.95, 49,277.79 and 19,576.80

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Solution

The fourth proportional to 35,707.95, 49,277.79 and 19,576.80 is: 27,016.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,707.95 : 49,277.79 = 19,576.80 : x
  2. Step 2: Convert to fraction form
    35,707.95/49,277.79 = 19,576.80/x
  3. Step 3: Cross multiply
    35,707.95x = 49,277.79 × 19,576.80
  4. Step 4: Simplify right side
    35,707.95x = 964,701,439.27
  5. Step 5: Solve for x
    x = 964,701,439.27/35,707.95
  6. Step 6: Final answer
    x = 27,016.43

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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.