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Finding the Fourth Proportional to 11,492.88, 15,867.72 and 7,250.32

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Solution

The fourth proportional to 11,492.88, 15,867.72 and 7,250.32 is: 10,010.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,492.88 : 15,867.72 = 7,250.32 : x
  2. Step 2: Convert to fraction form
    11,492.88/15,867.72 = 7,250.32/x
  3. Step 3: Cross multiply
    11,492.88x = 15,867.72 × 7,250.32
  4. Step 4: Simplify right side
    11,492.88x = 115,046,047.67
  5. Step 5: Solve for x
    x = 115,046,047.67/11,492.88
  6. Step 6: Final answer
    x = 10,010.20

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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.