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Finding the Fourth Proportional to 4,707.92, 6,494.23 and 2,936.45

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Solution

The fourth proportional to 4,707.92, 6,494.23 and 2,936.45 is: 4,050.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,707.92 : 6,494.23 = 2,936.45 : x
  2. Step 2: Convert to fraction form
    4,707.92/6,494.23 = 2,936.45/x
  3. Step 3: Cross multiply
    4,707.92x = 6,494.23 × 2,936.45
  4. Step 4: Simplify right side
    4,707.92x = 19,069,981.68
  5. Step 5: Solve for x
    x = 19,069,981.68/4,707.92
  6. Step 6: Final answer
    x = 4,050.62

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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.