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Finding the Fourth Proportional to 3,505.92, 4,834.16 and 2,620.24

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Solution

The fourth proportional to 3,505.92, 4,834.16 and 2,620.24 is: 3,612.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,505.92 : 4,834.16 = 2,620.24 : x
  2. Step 2: Convert to fraction form
    3,505.92/4,834.16 = 2,620.24/x
  3. Step 3: Cross multiply
    3,505.92x = 4,834.16 × 2,620.24
  4. Step 4: Simplify right side
    3,505.92x = 12,666,659.40
  5. Step 5: Solve for x
    x = 12,666,659.40/3,505.92
  6. Step 6: Final answer
    x = 3,612.93

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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.