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Finding the Fourth Proportional to 56,207.63, 84,311.46 and 15,679.56

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Solution

The fourth proportional to 56,207.63, 84,311.46 and 15,679.56 is: 23,519.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,207.63 : 84,311.46 = 15,679.56 : x
  2. Step 2: Convert to fraction form
    56,207.63/84,311.46 = 15,679.56/x
  3. Step 3: Cross multiply
    56,207.63x = 84,311.46 × 15,679.56
  4. Step 4: Simplify right side
    56,207.63x = 1,321,966,749.26
  5. Step 5: Solve for x
    x = 1,321,966,749.26/56,207.63
  6. Step 6: Final answer
    x = 23,519.35

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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.