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Finding the Fourth Proportional to 7,632.56, 11,449.28 and 2,953.29

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Solution

The fourth proportional to 7,632.56, 11,449.28 and 2,953.29 is: 4,430.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,632.56 : 11,449.28 = 2,953.29 : x
  2. Step 2: Convert to fraction form
    7,632.56/11,449.28 = 2,953.29/x
  3. Step 3: Cross multiply
    7,632.56x = 11,449.28 × 2,953.29
  4. Step 4: Simplify right side
    7,632.56x = 33,813,094.45
  5. Step 5: Solve for x
    x = 33,813,094.45/7,632.56
  6. Step 6: Final answer
    x = 4,430.11

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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.