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Finding the Fourth Proportional to 7,953.68, 11,917.56 and 6,301.28

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Solution

The fourth proportional to 7,953.68, 11,917.56 and 6,301.28 is: 9,441.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,953.68 : 11,917.56 = 6,301.28 : x
  2. Step 2: Convert to fraction form
    7,953.68/11,917.56 = 6,301.28/x
  3. Step 3: Cross multiply
    7,953.68x = 11,917.56 × 6,301.28
  4. Step 4: Simplify right side
    7,953.68x = 75,095,882.48
  5. Step 5: Solve for x
    x = 75,095,882.48/7,953.68
  6. Step 6: Final answer
    x = 9,441.65

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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.