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Finding the Fourth Proportional to 7,898.46, 10,896.46 and 4,540.51

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Solution

The fourth proportional to 7,898.46, 10,896.46 and 4,540.51 is: 6,263.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,898.46 : 10,896.46 = 4,540.51 : x
  2. Step 2: Convert to fraction form
    7,898.46/10,896.46 = 4,540.51/x
  3. Step 3: Cross multiply
    7,898.46x = 10,896.46 × 4,540.51
  4. Step 4: Simplify right side
    7,898.46x = 49,475,485.59
  5. Step 5: Solve for x
    x = 49,475,485.59/7,898.46
  6. Step 6: Final answer
    x = 6,263.94

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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.