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Finding the Fourth Proportional to 7,003.44, 10,505.12 and 4,039.96

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Solution

The fourth proportional to 7,003.44, 10,505.12 and 4,039.96 is: 6,059.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,003.44 : 10,505.12 = 4,039.96 : x
  2. Step 2: Convert to fraction form
    7,003.44/10,505.12 = 4,039.96/x
  3. Step 3: Cross multiply
    7,003.44x = 10,505.12 × 4,039.96
  4. Step 4: Simplify right side
    7,003.44x = 42,440,254.50
  5. Step 5: Solve for x
    x = 42,440,254.50/7,003.44
  6. Step 6: Final answer
    x = 6,059.92

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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.