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Finding the Fourth Proportional to 53,703.70, 80,549.22 and 14,263.86

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Solution

The fourth proportional to 53,703.70, 80,549.22 and 14,263.86 is: 21,394.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,703.70 : 80,549.22 = 14,263.86 : x
  2. Step 2: Convert to fraction form
    53,703.70/80,549.22 = 14,263.86/x
  3. Step 3: Cross multiply
    53,703.70x = 80,549.22 × 14,263.86
  4. Step 4: Simplify right side
    53,703.70x = 1,148,942,797.19
  5. Step 5: Solve for x
    x = 1,148,942,797.19/53,703.70
  6. Step 6: Final answer
    x = 21,394.11

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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.