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Finding the Fourth Proportional to 8,236.49, 12,287.50 and 8,010.50

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Solution

The fourth proportional to 8,236.49, 12,287.50 and 8,010.50 is: 11,950.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,236.49 : 12,287.50 = 8,010.50 : x
  2. Step 2: Convert to fraction form
    8,236.49/12,287.50 = 8,010.50/x
  3. Step 3: Cross multiply
    8,236.49x = 12,287.50 × 8,010.50
  4. Step 4: Simplify right side
    8,236.49x = 98,428,937.29
  5. Step 5: Solve for x
    x = 98,428,937.29/8,236.49
  6. Step 6: Final answer
    x = 11,950.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.