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Finding the Fourth Proportional to 14,356.48, 21,524.48 and 11,632.64

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Solution

The fourth proportional to 14,356.48, 21,524.48 and 11,632.64 is: 17,440.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,356.48 : 21,524.48 = 11,632.64 : x
  2. Step 2: Convert to fraction form
    14,356.48/21,524.48 = 11,632.64/x
  3. Step 3: Cross multiply
    14,356.48x = 21,524.48 × 11,632.64
  4. Step 4: Simplify right side
    14,356.48x = 250,386,527.03
  5. Step 5: Solve for x
    x = 250,386,527.03/14,356.48
  6. Step 6: Final answer
    x = 17,440.66

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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.