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Finding the Fourth Proportional to 7,068.92, 10,602.09 and 2,685.33

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Solution

The fourth proportional to 7,068.92, 10,602.09 and 2,685.33 is: 4,027.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,068.92 : 10,602.09 = 2,685.33 : x
  2. Step 2: Convert to fraction form
    7,068.92/10,602.09 = 2,685.33/x
  3. Step 3: Cross multiply
    7,068.92x = 10,602.09 × 2,685.33
  4. Step 4: Simplify right side
    7,068.92x = 28,470,110.34
  5. Step 5: Solve for x
    x = 28,470,110.34/7,068.92
  6. Step 6: Final answer
    x = 4,027.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.