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Finding the Fourth Proportional to 66,365.87, 99,549.81 and 24,254.51

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Solution

The fourth proportional to 66,365.87, 99,549.81 and 24,254.51 is: 36,382.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,365.87 : 99,549.81 = 24,254.51 : x
  2. Step 2: Convert to fraction form
    66,365.87/99,549.81 = 24,254.51/x
  3. Step 3: Cross multiply
    66,365.87x = 99,549.81 × 24,254.51
  4. Step 4: Simplify right side
    66,365.87x = 2,414,531,364.39
  5. Step 5: Solve for x
    x = 2,414,531,364.39/66,365.87
  6. Step 6: Final answer
    x = 36,382.13

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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.