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Finding the Fourth Proportional to 28,732.06, 43,098.01 and 7,955.50

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Solution

The fourth proportional to 28,732.06, 43,098.01 and 7,955.50 is: 11,933.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,732.06 : 43,098.01 = 7,955.50 : x
  2. Step 2: Convert to fraction form
    28,732.06/43,098.01 = 7,955.50/x
  3. Step 3: Cross multiply
    28,732.06x = 43,098.01 × 7,955.50
  4. Step 4: Simplify right side
    28,732.06x = 342,866,218.56
  5. Step 5: Solve for x
    x = 342,866,218.56/28,732.06
  6. Step 6: Final answer
    x = 11,933.23

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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.