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Finding the Fourth Proportional to 8,394.76, 11,584.79 and 4,618.32

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Solution

The fourth proportional to 8,394.76, 11,584.79 and 4,618.32 is: 6,373.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,394.76 : 11,584.79 = 4,618.32 : x
  2. Step 2: Convert to fraction form
    8,394.76/11,584.79 = 4,618.32/x
  3. Step 3: Cross multiply
    8,394.76x = 11,584.79 × 4,618.32
  4. Step 4: Simplify right side
    8,394.76x = 53,502,267.35
  5. Step 5: Solve for x
    x = 53,502,267.35/8,394.76
  6. Step 6: Final answer
    x = 6,373.29

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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.