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Finding the Fourth Proportional to 52,506.65, 78,759.81 and 13,063.76

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Solution

The fourth proportional to 52,506.65, 78,759.81 and 13,063.76 is: 19,595.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,506.65 : 78,759.81 = 13,063.76 : x
  2. Step 2: Convert to fraction form
    52,506.65/78,759.81 = 13,063.76/x
  3. Step 3: Cross multiply
    52,506.65x = 78,759.81 × 13,063.76
  4. Step 4: Simplify right side
    52,506.65x = 1,028,898,861.69
  5. Step 5: Solve for x
    x = 1,028,898,861.69/52,506.65
  6. Step 6: Final answer
    x = 19,595.59

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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.