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Finding the Fourth Proportional to 7,628.76, 11,444.76 and 2,434.68

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Solution

The fourth proportional to 7,628.76, 11,444.76 and 2,434.68 is: 3,652.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,628.76 : 11,444.76 = 2,434.68 : x
  2. Step 2: Convert to fraction form
    7,628.76/11,444.76 = 2,434.68/x
  3. Step 3: Cross multiply
    7,628.76x = 11,444.76 × 2,434.68
  4. Step 4: Simplify right side
    7,628.76x = 27,864,328.28
  5. Step 5: Solve for x
    x = 27,864,328.28/7,628.76
  6. Step 6: Final answer
    x = 3,652.54

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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.