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Finding the Fourth Proportional to 5,055.52, 7,573.52 and 2,857.52

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Solution

The fourth proportional to 5,055.52, 7,573.52 and 2,857.52 is: 4,280.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,055.52 : 7,573.52 = 2,857.52 : x
  2. Step 2: Convert to fraction form
    5,055.52/7,573.52 = 2,857.52/x
  3. Step 3: Cross multiply
    5,055.52x = 7,573.52 × 2,857.52
  4. Step 4: Simplify right side
    5,055.52x = 21,641,484.87
  5. Step 5: Solve for x
    x = 21,641,484.87/5,055.52
  6. Step 6: Final answer
    x = 4,280.76

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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.