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Finding the Fourth Proportional to 15,752.18, 21,738.01 and 9,037.52

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Solution

The fourth proportional to 15,752.18, 21,738.01 and 9,037.52 is: 12,471.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,752.18 : 21,738.01 = 9,037.52 : x
  2. Step 2: Convert to fraction form
    15,752.18/21,738.01 = 9,037.52/x
  3. Step 3: Cross multiply
    15,752.18x = 21,738.01 × 9,037.52
  4. Step 4: Simplify right side
    15,752.18x = 196,457,815.01
  5. Step 5: Solve for x
    x = 196,457,815.01/15,752.18
  6. Step 6: Final answer
    x = 12,471.79

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.