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Finding the Fourth Proportional to 7,995.34, 11,992.56 and 3,064.78

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Solution

The fourth proportional to 7,995.34, 11,992.56 and 3,064.78 is: 4,597.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,995.34 : 11,992.56 = 3,064.78 : x
  2. Step 2: Convert to fraction form
    7,995.34/11,992.56 = 3,064.78/x
  3. Step 3: Cross multiply
    7,995.34x = 11,992.56 × 3,064.78
  4. Step 4: Simplify right side
    7,995.34x = 36,754,558.04
  5. Step 5: Solve for x
    x = 36,754,558.04/7,995.34
  6. Step 6: Final answer
    x = 4,597.00

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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.