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Finding the Fourth Proportional to 13,293.52, 19,939.04 and 4,059.52

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Solution

The fourth proportional to 13,293.52, 19,939.04 and 4,059.52 is: 6,088.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,293.52 : 19,939.04 = 4,059.52 : x
  2. Step 2: Convert to fraction form
    13,293.52/19,939.04 = 4,059.52/x
  3. Step 3: Cross multiply
    13,293.52x = 19,939.04 × 4,059.52
  4. Step 4: Simplify right side
    13,293.52x = 80,942,931.66
  5. Step 5: Solve for x
    x = 80,942,931.66/13,293.52
  6. Step 6: Final answer
    x = 6,088.90

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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.