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Finding the Fourth Proportional to 7,927.68, 11,887.27 and 7,586.88

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Solution

The fourth proportional to 7,927.68, 11,887.27 and 7,586.88 is: 11,376.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,927.68 : 11,887.27 = 7,586.88 : x
  2. Step 2: Convert to fraction form
    7,927.68/11,887.27 = 7,586.88/x
  3. Step 3: Cross multiply
    7,927.68x = 11,887.27 × 7,586.88
  4. Step 4: Simplify right side
    7,927.68x = 90,187,291.02
  5. Step 5: Solve for x
    x = 90,187,291.02/7,927.68
  6. Step 6: Final answer
    x = 11,376.25

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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.