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Finding the Fourth Proportional to 10,713.58, 16,059.20 and 4,477.19

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Solution

The fourth proportional to 10,713.58, 16,059.20 and 4,477.19 is: 6,711.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,713.58 : 16,059.20 = 4,477.19 : x
  2. Step 2: Convert to fraction form
    10,713.58/16,059.20 = 4,477.19/x
  3. Step 3: Cross multiply
    10,713.58x = 16,059.20 × 4,477.19
  4. Step 4: Simplify right side
    10,713.58x = 71,899,986.97
  5. Step 5: Solve for x
    x = 71,899,986.97/10,713.58
  6. Step 6: Final answer
    x = 6,711.11

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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.