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Finding the Fourth Proportional to 39,597.88, 59,389.39 and 19,871.14

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Solution

The fourth proportional to 39,597.88, 59,389.39 and 19,871.14 is: 29,802.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,597.88 : 59,389.39 = 19,871.14 : x
  2. Step 2: Convert to fraction form
    39,597.88/59,389.39 = 19,871.14/x
  3. Step 3: Cross multiply
    39,597.88x = 59,389.39 × 19,871.14
  4. Step 4: Simplify right side
    39,597.88x = 1,180,134,883.20
  5. Step 5: Solve for x
    x = 1,180,134,883.20/39,597.88
  6. Step 6: Final answer
    x = 29,802.98

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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.