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Finding the Fourth Proportional to 58,662.88, 87,993.42 and 14,289.70

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Solution

The fourth proportional to 58,662.88, 87,993.42 and 14,289.70 is: 21,434.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,662.88 : 87,993.42 = 14,289.70 : x
  2. Step 2: Convert to fraction form
    58,662.88/87,993.42 = 14,289.70/x
  3. Step 3: Cross multiply
    58,662.88x = 87,993.42 × 14,289.70
  4. Step 4: Simplify right side
    58,662.88x = 1,257,399,573.77
  5. Step 5: Solve for x
    x = 1,257,399,573.77/58,662.88
  6. Step 6: Final answer
    x = 21,434.33

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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.