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Finding the Fourth Proportional to 30,383.67, 41,927.70 and 16,953.87

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Solution

The fourth proportional to 30,383.67, 41,927.70 and 16,953.87 is: 23,395.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,383.67 : 41,927.70 = 16,953.87 : x
  2. Step 2: Convert to fraction form
    30,383.67/41,927.70 = 16,953.87/x
  3. Step 3: Cross multiply
    30,383.67x = 41,927.70 × 16,953.87
  4. Step 4: Simplify right side
    30,383.67x = 710,836,775.20
  5. Step 5: Solve for x
    x = 710,836,775.20/30,383.67
  6. Step 6: Final answer
    x = 23,395.36

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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.