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Finding the Fourth Proportional to 39,239.87, 58,860.03 and 9,657.50

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Solution

The fourth proportional to 39,239.87, 58,860.03 and 9,657.50 is: 14,486.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,239.87 : 58,860.03 = 9,657.50 : x
  2. Step 2: Convert to fraction form
    39,239.87/58,860.03 = 9,657.50/x
  3. Step 3: Cross multiply
    39,239.87x = 58,860.03 × 9,657.50
  4. Step 4: Simplify right side
    39,239.87x = 568,440,731.24
  5. Step 5: Solve for x
    x = 568,440,731.24/39,239.87
  6. Step 6: Final answer
    x = 14,486.31

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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.