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Finding the Fourth Proportional to 55,604.40, 83,407.68 and 18,164.58

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Solution

The fourth proportional to 55,604.40, 83,407.68 and 18,164.58 is: 27,247.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,604.40 : 83,407.68 = 18,164.58 : x
  2. Step 2: Convert to fraction form
    55,604.40/83,407.68 = 18,164.58/x
  3. Step 3: Cross multiply
    55,604.40x = 83,407.68 × 18,164.58
  4. Step 4: Simplify right side
    55,604.40x = 1,515,065,475.97
  5. Step 5: Solve for x
    x = 1,515,065,475.97/55,604.40
  6. Step 6: Final answer
    x = 27,247.22

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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.