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Finding the Fourth Proportional to 47,595.96, 71,389.80 and 19,507.98

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Solution

The fourth proportional to 47,595.96, 71,389.80 and 19,507.98 is: 29,260.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,595.96 : 71,389.80 = 19,507.98 : x
  2. Step 2: Convert to fraction form
    47,595.96/71,389.80 = 19,507.98/x
  3. Step 3: Cross multiply
    47,595.96x = 71,389.80 × 19,507.98
  4. Step 4: Simplify right side
    47,595.96x = 1,392,670,790.60
  5. Step 5: Solve for x
    x = 1,392,670,790.60/47,595.96
  6. Step 6: Final answer
    x = 29,260.27

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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.