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Finding the Fourth Proportional to 7,650.60, 10,564.47 and 7,256.94

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Solution

The fourth proportional to 7,650.60, 10,564.47 and 7,256.94 is: 10,020.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,650.60 : 10,564.47 = 7,256.94 : x
  2. Step 2: Convert to fraction form
    7,650.60/10,564.47 = 7,256.94/x
  3. Step 3: Cross multiply
    7,650.60x = 10,564.47 × 7,256.94
  4. Step 4: Simplify right side
    7,650.60x = 76,665,724.92
  5. Step 5: Solve for x
    x = 76,665,724.92/7,650.60
  6. Step 6: Final answer
    x = 10,020.88

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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.