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Finding the Fourth Proportional to 55,273.92, 82,851.76 and 28,593.05

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Solution

The fourth proportional to 55,273.92, 82,851.76 and 28,593.05 is: 42,858.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,273.92 : 82,851.76 = 28,593.05 : x
  2. Step 2: Convert to fraction form
    55,273.92/82,851.76 = 28,593.05/x
  3. Step 3: Cross multiply
    55,273.92x = 82,851.76 × 28,593.05
  4. Step 4: Simplify right side
    55,273.92x = 2,368,984,603.79
  5. Step 5: Solve for x
    x = 2,368,984,603.79/55,273.92
  6. Step 6: Final answer
    x = 42,858.99

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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.