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Finding the Fourth Proportional to 59,682.96, 89,479.26 and 51,459.84

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Solution

The fourth proportional to 59,682.96, 89,479.26 and 51,459.84 is: 77,150.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,682.96 : 89,479.26 = 51,459.84 : x
  2. Step 2: Convert to fraction form
    59,682.96/89,479.26 = 51,459.84/x
  3. Step 3: Cross multiply
    59,682.96x = 89,479.26 × 51,459.84
  4. Step 4: Simplify right side
    59,682.96x = 4,604,588,402.92
  5. Step 5: Solve for x
    x = 4,604,588,402.92/59,682.96
  6. Step 6: Final answer
    x = 77,150.80

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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.