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Finding the Fourth Proportional to 66,558.66, 99,808.83 and 24,976.50

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Solution

The fourth proportional to 66,558.66, 99,808.83 and 24,976.50 is: 37,453.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,558.66 : 99,808.83 = 24,976.50 : x
  2. Step 2: Convert to fraction form
    66,558.66/99,808.83 = 24,976.50/x
  3. Step 3: Cross multiply
    66,558.66x = 99,808.83 × 24,976.50
  4. Step 4: Simplify right side
    66,558.66x = 2,492,875,242.50
  5. Step 5: Solve for x
    x = 2,492,875,242.50/66,558.66
  6. Step 6: Final answer
    x = 37,453.81

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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.