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Finding the Fourth Proportional to 18,573.91, 25,632.04 and 10,616.12

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Solution

The fourth proportional to 18,573.91, 25,632.04 and 10,616.12 is: 14,650.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,573.91 : 25,632.04 = 10,616.12 : x
  2. Step 2: Convert to fraction form
    18,573.91/25,632.04 = 10,616.12/x
  3. Step 3: Cross multiply
    18,573.91x = 25,632.04 × 10,616.12
  4. Step 4: Simplify right side
    18,573.91x = 272,112,812.48
  5. Step 5: Solve for x
    x = 272,112,812.48/18,573.91
  6. Step 6: Final answer
    x = 14,650.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.