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Finding the Fourth Proportional to 39,383.82, 59,043.04 and 15,676.74

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Solution

The fourth proportional to 39,383.82, 59,043.04 and 15,676.74 is: 23,502.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,383.82 : 59,043.04 = 15,676.74 : x
  2. Step 2: Convert to fraction form
    39,383.82/59,043.04 = 15,676.74/x
  3. Step 3: Cross multiply
    39,383.82x = 59,043.04 × 15,676.74
  4. Step 4: Simplify right side
    39,383.82x = 925,602,386.89
  5. Step 5: Solve for x
    x = 925,602,386.89/39,383.82
  6. Step 6: Final answer
    x = 23,502.10

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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.