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Finding the Fourth Proportional to 7,632.48, 11,438.96 and 7,476.96

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Solution

The fourth proportional to 7,632.48, 11,438.96 and 7,476.96 is: 11,205.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,632.48 : 11,438.96 = 7,476.96 : x
  2. Step 2: Convert to fraction form
    7,632.48/11,438.96 = 7,476.96/x
  3. Step 3: Cross multiply
    7,632.48x = 11,438.96 × 7,476.96
  4. Step 4: Simplify right side
    7,632.48x = 85,528,646.36
  5. Step 5: Solve for x
    x = 85,528,646.36/7,632.48
  6. Step 6: Final answer
    x = 11,205.88

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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.