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Finding the Fourth Proportional to 40,624.58, 60,914.54 and 12,536.98

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Solution

The fourth proportional to 40,624.58, 60,914.54 and 12,536.98 is: 18,798.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,624.58 : 60,914.54 = 12,536.98 : x
  2. Step 2: Convert to fraction form
    40,624.58/60,914.54 = 12,536.98/x
  3. Step 3: Cross multiply
    40,624.58x = 60,914.54 × 12,536.98
  4. Step 4: Simplify right side
    40,624.58x = 763,684,369.69
  5. Step 5: Solve for x
    x = 763,684,369.69/40,624.58
  6. Step 6: Final answer
    x = 18,798.58

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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.