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Finding the Fourth Proportional to 7,380.63, 11,070.63 and 1,833.84

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Solution

The fourth proportional to 7,380.63, 11,070.63 and 1,833.84 is: 2,750.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,380.63 : 11,070.63 = 1,833.84 : x
  2. Step 2: Convert to fraction form
    7,380.63/11,070.63 = 1,833.84/x
  3. Step 3: Cross multiply
    7,380.63x = 11,070.63 × 1,833.84
  4. Step 4: Simplify right side
    7,380.63x = 20,301,764.12
  5. Step 5: Solve for x
    x = 20,301,764.12/7,380.63
  6. Step 6: Final answer
    x = 2,750.68

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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.