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Finding the Fourth Proportional to 52,561.74, 78,865.68 and 27,595.99

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Solution

The fourth proportional to 52,561.74, 78,865.68 and 27,595.99 is: 41,406.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,561.74 : 78,865.68 = 27,595.99 : x
  2. Step 2: Convert to fraction form
    52,561.74/78,865.68 = 27,595.99/x
  3. Step 3: Cross multiply
    52,561.74x = 78,865.68 × 27,595.99
  4. Step 4: Simplify right side
    52,561.74x = 2,176,376,718.69
  5. Step 5: Solve for x
    x = 2,176,376,718.69/52,561.74
  6. Step 6: Final answer
    x = 41,406.10

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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.