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Finding the Fourth Proportional to 55,813.64, 83,720.44 and 24,642.68

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Solution

The fourth proportional to 55,813.64, 83,720.44 and 24,642.68 is: 36,964.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,813.64 : 83,720.44 = 24,642.68 : x
  2. Step 2: Convert to fraction form
    55,813.64/83,720.44 = 24,642.68/x
  3. Step 3: Cross multiply
    55,813.64x = 83,720.44 × 24,642.68
  4. Step 4: Simplify right side
    55,813.64x = 2,063,096,012.38
  5. Step 5: Solve for x
    x = 2,063,096,012.38/55,813.64
  6. Step 6: Final answer
    x = 36,964.01

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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.