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Finding the Fourth Proportional to 18,527.59, 25,567 and 10,570.56

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Solution

The fourth proportional to 18,527.59, 25,567 and 10,570.56 is: 14,586.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,527.59 : 25,567 = 10,570.56 : x
  2. Step 2: Convert to fraction form
    18,527.59/25,567 = 10,570.56/x
  3. Step 3: Cross multiply
    18,527.59x = 25,567 × 10,570.56
  4. Step 4: Simplify right side
    18,527.59x = 270,257,507.52
  5. Step 5: Solve for x
    x = 270,257,507.52/18,527.59
  6. Step 6: Final answer
    x = 14,586.76

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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.