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Finding the Fourth Proportional to 18,367.80, 25,347.29 and 10,301.46

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Solution

The fourth proportional to 18,367.80, 25,347.29 and 10,301.46 is: 14,215.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,367.80 : 25,347.29 = 10,301.46 : x
  2. Step 2: Convert to fraction form
    18,367.80/25,347.29 = 10,301.46/x
  3. Step 3: Cross multiply
    18,367.80x = 25,347.29 × 10,301.46
  4. Step 4: Simplify right side
    18,367.80x = 261,113,973.24
  5. Step 5: Solve for x
    x = 261,113,973.24/18,367.80
  6. Step 6: Final answer
    x = 14,215.85

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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.