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Finding the Fourth Proportional to 40,323.70, 60,471.15 and 14,029.30

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Solution

The fourth proportional to 40,323.70, 60,471.15 and 14,029.30 is: 21,038.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,323.70 : 60,471.15 = 14,029.30 : x
  2. Step 2: Convert to fraction form
    40,323.70/60,471.15 = 14,029.30/x
  3. Step 3: Cross multiply
    40,323.70x = 60,471.15 × 14,029.30
  4. Step 4: Simplify right side
    40,323.70x = 848,367,904.70
  5. Step 5: Solve for x
    x = 848,367,904.70/40,323.70
  6. Step 6: Final answer
    x = 21,038.94

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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.