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Finding the Fourth Proportional to 7,273.68, 10,035 and 4,912.08

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Solution

The fourth proportional to 7,273.68, 10,035 and 4,912.08 is: 6,776.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,273.68 : 10,035 = 4,912.08 : x
  2. Step 2: Convert to fraction form
    7,273.68/10,035 = 4,912.08/x
  3. Step 3: Cross multiply
    7,273.68x = 10,035 × 4,912.08
  4. Step 4: Simplify right side
    7,273.68x = 49,292,722.80
  5. Step 5: Solve for x
    x = 49,292,722.80/7,273.68
  6. Step 6: Final answer
    x = 6,776.86

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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.