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Finding the Fourth Proportional to 55,505.74, 83,259.65 and 18,065.69

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Solution

The fourth proportional to 55,505.74, 83,259.65 and 18,065.69 is: 27,098.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,505.74 : 83,259.65 = 18,065.69 : x
  2. Step 2: Convert to fraction form
    55,505.74/83,259.65 = 18,065.69/x
  3. Step 3: Cross multiply
    55,505.74x = 83,259.65 × 18,065.69
  4. Step 4: Simplify right side
    55,505.74x = 1,504,143,026.41
  5. Step 5: Solve for x
    x = 1,504,143,026.41/55,505.74
  6. Step 6: Final answer
    x = 27,098.87

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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.