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Finding the Fourth Proportional to 64,133.60, 88,504.16 and 35,839.28

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Solution

The fourth proportional to 64,133.60, 88,504.16 and 35,839.28 is: 49,458.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,133.60 : 88,504.16 = 35,839.28 : x
  2. Step 2: Convert to fraction form
    64,133.60/88,504.16 = 35,839.28/x
  3. Step 3: Cross multiply
    64,133.60x = 88,504.16 × 35,839.28
  4. Step 4: Simplify right side
    64,133.60x = 3,171,925,371.40
  5. Step 5: Solve for x
    x = 3,171,925,371.40/64,133.60
  6. Step 6: Final answer
    x = 49,458.09

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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.