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Finding the Fourth Proportional to 39,087, 58,709.21 and 23,322.87

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Solution

The fourth proportional to 39,087, 58,709.21 and 23,322.87 is: 35,031.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,087 : 58,709.21 = 23,322.87 : x
  2. Step 2: Convert to fraction form
    39,087/58,709.21 = 23,322.87/x
  3. Step 3: Cross multiply
    39,087x = 58,709.21 × 23,322.87
  4. Step 4: Simplify right side
    39,087x = 1,369,267,156.02
  5. Step 5: Solve for x
    x = 1,369,267,156.02/39,087
  6. Step 6: Final answer
    x = 35,031.27

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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.