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Finding the Fourth Proportional to 64,191.40, 88,584.30 and 35,897.09

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Solution

The fourth proportional to 64,191.40, 88,584.30 and 35,897.09 is: 49,538.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,191.40 : 88,584.30 = 35,897.09 : x
  2. Step 2: Convert to fraction form
    64,191.40/88,584.30 = 35,897.09/x
  3. Step 3: Cross multiply
    64,191.40x = 88,584.30 × 35,897.09
  4. Step 4: Simplify right side
    64,191.40x = 3,179,918,146.77
  5. Step 5: Solve for x
    x = 3,179,918,146.77/64,191.40
  6. Step 6: Final answer
    x = 49,538.07

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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.