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Finding the Fourth Proportional to 39,383.79, 59,051.89 and 15,694.98

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Solution

The fourth proportional to 39,383.79, 59,051.89 and 15,694.98 is: 23,532.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,383.79 : 59,051.89 = 15,694.98 : x
  2. Step 2: Convert to fraction form
    39,383.79/59,051.89 = 15,694.98/x
  3. Step 3: Cross multiply
    39,383.79x = 59,051.89 × 15,694.98
  4. Step 4: Simplify right side
    39,383.79x = 926,818,154.04
  5. Step 5: Solve for x
    x = 926,818,154.04/39,383.79
  6. Step 6: Final answer
    x = 23,532.99

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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.