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Finding the Fourth Proportional to 5,199.01, 7,800.94 and 3,009.58

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Solution

The fourth proportional to 5,199.01, 7,800.94 and 3,009.58 is: 4,515.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199.01 : 7,800.94 = 3,009.58 : x
  2. Step 2: Convert to fraction form
    5,199.01/7,800.94 = 3,009.58/x
  3. Step 3: Cross multiply
    5,199.01x = 7,800.94 × 3,009.58
  4. Step 4: Simplify right side
    5,199.01x = 23,477,514.00
  5. Step 5: Solve for x
    x = 23,477,514.00/5,199.01
  6. Step 6: Final answer
    x = 4,515.77

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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.