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Finding the Fourth Proportional to 55,365.50, 83,048.25 and 17,956.87

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Solution

The fourth proportional to 55,365.50, 83,048.25 and 17,956.87 is: 26,935.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,365.50 : 83,048.25 = 17,956.87 : x
  2. Step 2: Convert to fraction form
    55,365.50/83,048.25 = 17,956.87/x
  3. Step 3: Cross multiply
    55,365.50x = 83,048.25 × 17,956.87
  4. Step 4: Simplify right side
    55,365.50x = 1,491,286,628.98
  5. Step 5: Solve for x
    x = 1,491,286,628.98/55,365.50
  6. Step 6: Final answer
    x = 26,935.31

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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.