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Finding the Fourth Proportional to 18,123.76, 24,953.94 and 16,463.00

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Solution

The fourth proportional to 18,123.76, 24,953.94 and 16,463.00 is: 22,667.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,123.76 : 24,953.94 = 16,463.00 : x
  2. Step 2: Convert to fraction form
    18,123.76/24,953.94 = 16,463.00/x
  3. Step 3: Cross multiply
    18,123.76x = 24,953.94 × 16,463.00
  4. Step 4: Simplify right side
    18,123.76x = 410,816,776.60
  5. Step 5: Solve for x
    x = 410,816,776.60/18,123.76
  6. Step 6: Final answer
    x = 22,667.31

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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.