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Finding the Fourth Proportional to 38,974.34, 58,455.02 and 14,009.34

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Solution

The fourth proportional to 38,974.34, 58,455.02 and 14,009.34 is: 21,011.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,974.34 : 58,455.02 = 14,009.34 : x
  2. Step 2: Convert to fraction form
    38,974.34/58,455.02 = 14,009.34/x
  3. Step 3: Cross multiply
    38,974.34x = 58,455.02 × 14,009.34
  4. Step 4: Simplify right side
    38,974.34x = 818,916,249.89
  5. Step 5: Solve for x
    x = 818,916,249.89/38,974.34
  6. Step 6: Final answer
    x = 21,011.68

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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.