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Finding the Fourth Proportional to 56,405.80, 84,606.30 and 23,114.92

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Solution

The fourth proportional to 56,405.80, 84,606.30 and 23,114.92 is: 34,671.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,405.80 : 84,606.30 = 23,114.92 : x
  2. Step 2: Convert to fraction form
    56,405.80/84,606.30 = 23,114.92/x
  3. Step 3: Cross multiply
    56,405.80x = 84,606.30 × 23,114.92
  4. Step 4: Simplify right side
    56,405.80x = 1,955,667,856.00
  5. Step 5: Solve for x
    x = 1,955,667,856.00/56,405.80
  6. Step 6: Final answer
    x = 34,671.40

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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.