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Finding the Fourth Proportional to 15,908.45, 23,862.45 and 5,376.22

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Solution

The fourth proportional to 15,908.45, 23,862.45 and 5,376.22 is: 8,064.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,908.45 : 23,862.45 = 5,376.22 : x
  2. Step 2: Convert to fraction form
    15,908.45/23,862.45 = 5,376.22/x
  3. Step 3: Cross multiply
    15,908.45x = 23,862.45 × 5,376.22
  4. Step 4: Simplify right side
    15,908.45x = 128,289,845.43
  5. Step 5: Solve for x
    x = 128,289,845.43/15,908.45
  6. Step 6: Final answer
    x = 8,064.26

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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.