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Finding the Fourth Proportional to 4,904.91, 6,678.22 and 4,889.34

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Solution

The fourth proportional to 4,904.91, 6,678.22 and 4,889.34 is: 6,657.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,904.91 : 6,678.22 = 4,889.34 : x
  2. Step 2: Convert to fraction form
    4,904.91/6,678.22 = 4,889.34/x
  3. Step 3: Cross multiply
    4,904.91x = 6,678.22 × 4,889.34
  4. Step 4: Simplify right side
    4,904.91x = 32,652,112.96
  5. Step 5: Solve for x
    x = 32,652,112.96/4,904.91
  6. Step 6: Final answer
    x = 6,657.02

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.