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Finding the Fourth Proportional to 66,336.60, 99,371.52 and 32,955.60

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Solution

The fourth proportional to 66,336.60, 99,371.52 and 32,955.60 is: 49,367.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,336.60 : 99,371.52 = 32,955.60 : x
  2. Step 2: Convert to fraction form
    66,336.60/99,371.52 = 32,955.60/x
  3. Step 3: Cross multiply
    66,336.60x = 99,371.52 × 32,955.60
  4. Step 4: Simplify right side
    66,336.60x = 3,274,848,064.51
  5. Step 5: Solve for x
    x = 3,274,848,064.51/66,336.60
  6. Step 6: Final answer
    x = 49,367.14

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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.