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Finding the Fourth Proportional to 11,444.66, 15,794.02 and 6,409.32

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Solution

The fourth proportional to 11,444.66, 15,794.02 and 6,409.32 is: 8,845.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,444.66 : 15,794.02 = 6,409.32 : x
  2. Step 2: Convert to fraction form
    11,444.66/15,794.02 = 6,409.32/x
  3. Step 3: Cross multiply
    11,444.66x = 15,794.02 × 6,409.32
  4. Step 4: Simplify right side
    11,444.66x = 101,228,928.27
  5. Step 5: Solve for x
    x = 101,228,928.27/11,444.66
  6. Step 6: Final answer
    x = 8,845.08

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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.