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Finding the Fourth Proportional to 39,652, 59,486.64 and 15,028

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Solution

The fourth proportional to 39,652, 59,486.64 and 15,028 is: 22,545.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,652 : 59,486.64 = 15,028 : x
  2. Step 2: Convert to fraction form
    39,652/59,486.64 = 15,028/x
  3. Step 3: Cross multiply
    39,652x = 59,486.64 × 15,028
  4. Step 4: Simplify right side
    39,652x = 893,965,225.92
  5. Step 5: Solve for x
    x = 893,965,225.92/39,652
  6. Step 6: Final answer
    x = 22,545.27

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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.