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Finding the Fourth Proportional to 15,448.99, 23,165.17 and 4,916.15

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Solution

The fourth proportional to 15,448.99, 23,165.17 and 4,916.15 is: 7,371.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,448.99 : 23,165.17 = 4,916.15 : x
  2. Step 2: Convert to fraction form
    15,448.99/23,165.17 = 4,916.15/x
  3. Step 3: Cross multiply
    15,448.99x = 23,165.17 × 4,916.15
  4. Step 4: Simplify right side
    15,448.99x = 113,883,450.50
  5. Step 5: Solve for x
    x = 113,883,450.50/15,448.99
  6. Step 6: Final answer
    x = 7,371.58

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1.5x scale

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.