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Finding the Fourth Proportional to 39,907.52, 59,872 and 35,554.88

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Solution

The fourth proportional to 39,907.52, 59,872 and 35,554.88 is: 53,341.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,907.52 : 59,872 = 35,554.88 : x
  2. Step 2: Convert to fraction form
    39,907.52/59,872 = 35,554.88/x
  3. Step 3: Cross multiply
    39,907.52x = 59,872 × 35,554.88
  4. Step 4: Simplify right side
    39,907.52x = 2,128,741,775.36
  5. Step 5: Solve for x
    x = 2,128,741,775.36/39,907.52
  6. Step 6: Final answer
    x = 53,341.87

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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.