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Finding the Fourth Proportional to 18,433.07, 27,649.70 and 4,582.07

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Solution

The fourth proportional to 18,433.07, 27,649.70 and 4,582.07 is: 6,873.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,433.07 : 27,649.70 = 4,582.07 : x
  2. Step 2: Convert to fraction form
    18,433.07/27,649.70 = 4,582.07/x
  3. Step 3: Cross multiply
    18,433.07x = 27,649.70 × 4,582.07
  4. Step 4: Simplify right side
    18,433.07x = 126,692,699.72
  5. Step 5: Solve for x
    x = 126,692,699.72/18,433.07
  6. Step 6: Final answer
    x = 6,873.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.