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Finding the Fourth Proportional to 57,460.68, 86,195.52 and 15,907.68

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Solution

The fourth proportional to 57,460.68, 86,195.52 and 15,907.68 is: 23,862.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,460.68 : 86,195.52 = 15,907.68 : x
  2. Step 2: Convert to fraction form
    57,460.68/86,195.52 = 15,907.68/x
  3. Step 3: Cross multiply
    57,460.68x = 86,195.52 × 15,907.68
  4. Step 4: Simplify right side
    57,460.68x = 1,371,170,749.59
  5. Step 5: Solve for x
    x = 1,371,170,749.59/57,460.68
  6. Step 6: Final answer
    x = 23,862.77

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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.