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Finding the Fourth Proportional to 15,900.64, 23,824.43 and 7,002.72

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Solution

The fourth proportional to 15,900.64, 23,824.43 and 7,002.72 is: 10,492.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,900.64 : 23,824.43 = 7,002.72 : x
  2. Step 2: Convert to fraction form
    15,900.64/23,824.43 = 7,002.72/x
  3. Step 3: Cross multiply
    15,900.64x = 23,824.43 × 7,002.72
  4. Step 4: Simplify right side
    15,900.64x = 166,835,803.70
  5. Step 5: Solve for x
    x = 166,835,803.70/15,900.64
  6. Step 6: Final answer
    x = 10,492.40

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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.