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Finding the Fourth Proportional to 14,440.59, 21,663.93 and 8,203.49

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Solution

The fourth proportional to 14,440.59, 21,663.93 and 8,203.49 is: 12,306.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,440.59 : 21,663.93 = 8,203.49 : x
  2. Step 2: Convert to fraction form
    14,440.59/21,663.93 = 8,203.49/x
  3. Step 3: Cross multiply
    14,440.59x = 21,663.93 × 8,203.49
  4. Step 4: Simplify right side
    14,440.59x = 177,719,808.20
  5. Step 5: Solve for x
    x = 177,719,808.20/14,440.59
  6. Step 6: Final answer
    x = 12,306.96

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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.