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Finding the Fourth Proportional to 66,395.81, 99,585.50 and 26,914.98

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Solution

The fourth proportional to 66,395.81, 99,585.50 and 26,914.98 is: 40,369.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,395.81 : 99,585.50 = 26,914.98 : x
  2. Step 2: Convert to fraction form
    66,395.81/99,585.50 = 26,914.98/x
  3. Step 3: Cross multiply
    66,395.81x = 99,585.50 × 26,914.98
  4. Step 4: Simplify right side
    66,395.81x = 2,680,341,606.22
  5. Step 5: Solve for x
    x = 2,680,341,606.22/66,395.81
  6. Step 6: Final answer
    x = 40,369.14

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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.