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Finding the Fourth Proportional to 23,658.81, 32,615.22 and 18,614.28

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Solution

The fourth proportional to 23,658.81, 32,615.22 and 18,614.28 is: 25,661.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,658.81 : 32,615.22 = 18,614.28 : x
  2. Step 2: Convert to fraction form
    23,658.81/32,615.22 = 18,614.28/x
  3. Step 3: Cross multiply
    23,658.81x = 32,615.22 × 18,614.28
  4. Step 4: Simplify right side
    23,658.81x = 607,108,837.34
  5. Step 5: Solve for x
    x = 607,108,837.34/23,658.81
  6. Step 6: Final answer
    x = 25,661.00

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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.