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Finding the Fourth Proportional to 10,409.44, 14,366.64 and 5,933.20

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Solution

The fourth proportional to 10,409.44, 14,366.64 and 5,933.20 is: 8,188.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,409.44 : 14,366.64 = 5,933.20 : x
  2. Step 2: Convert to fraction form
    10,409.44/14,366.64 = 5,933.20/x
  3. Step 3: Cross multiply
    10,409.44x = 14,366.64 × 5,933.20
  4. Step 4: Simplify right side
    10,409.44x = 85,240,148.45
  5. Step 5: Solve for x
    x = 85,240,148.45/10,409.44
  6. Step 6: Final answer
    x = 8,188.74

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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.