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Finding the Fourth Proportional to 18,527.58, 25,572.03 and 11,811.66

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Solution

The fourth proportional to 18,527.58, 25,572.03 and 11,811.66 is: 16,302.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,527.58 : 25,572.03 = 11,811.66 : x
  2. Step 2: Convert to fraction form
    18,527.58/25,572.03 = 11,811.66/x
  3. Step 3: Cross multiply
    18,527.58x = 25,572.03 × 11,811.66
  4. Step 4: Simplify right side
    18,527.58x = 302,048,123.87
  5. Step 5: Solve for x
    x = 302,048,123.87/18,527.58
  6. Step 6: Final answer
    x = 16,302.62

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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.