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Finding the Fourth Proportional to 18,573.23, 25,632.81 and 10,613.92

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Solution

The fourth proportional to 18,573.23, 25,632.81 and 10,613.92 is: 14,648.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,573.23 : 25,632.81 = 10,613.92 : x
  2. Step 2: Convert to fraction form
    18,573.23/25,632.81 = 10,613.92/x
  3. Step 3: Cross multiply
    18,573.23x = 25,632.81 × 10,613.92
  4. Step 4: Simplify right side
    18,573.23x = 272,064,594.72
  5. Step 5: Solve for x
    x = 272,064,594.72/18,573.23
  6. Step 6: Final answer
    x = 14,648.21

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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.