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Finding the Fourth Proportional to 64,325.63, 88,772.19 and 35,645.22

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Solution

The fourth proportional to 64,325.63, 88,772.19 and 35,645.22 is: 49,191.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,325.63 : 88,772.19 = 35,645.22 : x
  2. Step 2: Convert to fraction form
    64,325.63/88,772.19 = 35,645.22/x
  3. Step 3: Cross multiply
    64,325.63x = 88,772.19 × 35,645.22
  4. Step 4: Simplify right side
    64,325.63x = 3,164,303,620.34
  5. Step 5: Solve for x
    x = 3,164,303,620.34/64,325.63
  6. Step 6: Final answer
    x = 49,191.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.