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Finding the Fourth Proportional to 59,814.53, 82,486.48 and 39,360

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Solution

The fourth proportional to 59,814.53, 82,486.48 and 39,360 is: 54,278.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,814.53 : 82,486.48 = 39,360 : x
  2. Step 2: Convert to fraction form
    59,814.53/82,486.48 = 39,360/x
  3. Step 3: Cross multiply
    59,814.53x = 82,486.48 × 39,360
  4. Step 4: Simplify right side
    59,814.53x = 3,246,667,852.80
  5. Step 5: Solve for x
    x = 3,246,667,852.80/59,814.53
  6. Step 6: Final answer
    x = 54,278.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.