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Finding the Fourth Proportional to 47,595.61, 71,392.91 and 19,509.41

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Solution

The fourth proportional to 47,595.61, 71,392.91 and 19,509.41 is: 29,263.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,595.61 : 71,392.91 = 19,509.41 : x
  2. Step 2: Convert to fraction form
    47,595.61/71,392.91 = 19,509.41/x
  3. Step 3: Cross multiply
    47,595.61x = 71,392.91 × 19,509.41
  4. Step 4: Simplify right side
    47,595.61x = 1,392,833,487.30
  5. Step 5: Solve for x
    x = 1,392,833,487.30/47,595.61
  6. Step 6: Final answer
    x = 29,263.90

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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.