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Finding the Fourth Proportional to 8,013.60, 11,048.76 and 5,028.32

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Solution

The fourth proportional to 8,013.60, 11,048.76 and 5,028.32 is: 6,932.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,013.60 : 11,048.76 = 5,028.32 : x
  2. Step 2: Convert to fraction form
    8,013.60/11,048.76 = 5,028.32/x
  3. Step 3: Cross multiply
    8,013.60x = 11,048.76 × 5,028.32
  4. Step 4: Simplify right side
    8,013.60x = 55,556,700.88
  5. Step 5: Solve for x
    x = 55,556,700.88/8,013.60
  6. Step 6: Final answer
    x = 6,932.80

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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.