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Finding the Fourth Proportional to 55,246.77, 82,884.06 and 21,955.77

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Solution

The fourth proportional to 55,246.77, 82,884.06 and 21,955.77 is: 32,939.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,246.77 : 82,884.06 = 21,955.77 : x
  2. Step 2: Convert to fraction form
    55,246.77/82,884.06 = 21,955.77/x
  3. Step 3: Cross multiply
    55,246.77x = 82,884.06 × 21,955.77
  4. Step 4: Simplify right side
    55,246.77x = 1,819,783,358.03
  5. Step 5: Solve for x
    x = 1,819,783,358.03/55,246.77
  6. Step 6: Final answer
    x = 32,939.18

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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.