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Finding the Fourth Proportional to 28,602.24, 42,896.88 and 10,134.24

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Solution

The fourth proportional to 28,602.24, 42,896.88 and 10,134.24 is: 15,199.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,602.24 : 42,896.88 = 10,134.24 : x
  2. Step 2: Convert to fraction form
    28,602.24/42,896.88 = 10,134.24/x
  3. Step 3: Cross multiply
    28,602.24x = 42,896.88 × 10,134.24
  4. Step 4: Simplify right side
    28,602.24x = 434,727,277.17
  5. Step 5: Solve for x
    x = 434,727,277.17/28,602.24
  6. Step 6: Final answer
    x = 15,199.06

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.