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Finding the Fourth Proportional to 15,492.87, 23,250.24 and 8,910

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Solution

The fourth proportional to 15,492.87, 23,250.24 and 8,910 is: 13,371.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,492.87 : 23,250.24 = 8,910 : x
  2. Step 2: Convert to fraction form
    15,492.87/23,250.24 = 8,910/x
  3. Step 3: Cross multiply
    15,492.87x = 23,250.24 × 8,910
  4. Step 4: Simplify right side
    15,492.87x = 207,159,638.40
  5. Step 5: Solve for x
    x = 207,159,638.40/15,492.87
  6. Step 6: Final answer
    x = 13,371.29

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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.