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Finding the Fourth Proportional to 8,482.69, 11,705.88 and 4,705.84

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Solution

The fourth proportional to 8,482.69, 11,705.88 and 4,705.84 is: 6,493.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,482.69 : 11,705.88 = 4,705.84 : x
  2. Step 2: Convert to fraction form
    8,482.69/11,705.88 = 4,705.84/x
  3. Step 3: Cross multiply
    8,482.69x = 11,705.88 × 4,705.84
  4. Step 4: Simplify right side
    8,482.69x = 55,085,998.34
  5. Step 5: Solve for x
    x = 55,085,998.34/8,482.69
  6. Step 6: Final answer
    x = 6,493.93

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Double scale
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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.