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Finding the Fourth Proportional to 18,347.44, 27,385.40 and 16,026.52

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Solution

The fourth proportional to 18,347.44, 27,385.40 and 16,026.52 is: 23,921.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,347.44 : 27,385.40 = 16,026.52 : x
  2. Step 2: Convert to fraction form
    18,347.44/27,385.40 = 16,026.52/x
  3. Step 3: Cross multiply
    18,347.44x = 27,385.40 × 16,026.52
  4. Step 4: Simplify right side
    18,347.44x = 438,892,660.81
  5. Step 5: Solve for x
    x = 438,892,660.81/18,347.44
  6. Step 6: Final answer
    x = 23,921.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.