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Finding the Fourth Proportional to 52,038.53, 71,813.22 and 28,165.14

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Solution

The fourth proportional to 52,038.53, 71,813.22 and 28,165.14 is: 38,867.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,038.53 : 71,813.22 = 28,165.14 : x
  2. Step 2: Convert to fraction form
    52,038.53/71,813.22 = 28,165.14/x
  3. Step 3: Cross multiply
    52,038.53x = 71,813.22 × 28,165.14
  4. Step 4: Simplify right side
    52,038.53x = 2,022,629,610.33
  5. Step 5: Solve for x
    x = 2,022,629,610.33/52,038.53
  6. Step 6: Final answer
    x = 38,867.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.