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Finding the Fourth Proportional to 64,168.49, 88,549.94 and 35,486.28

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Solution

The fourth proportional to 64,168.49, 88,549.94 and 35,486.28 is: 48,969.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,168.49 : 88,549.94 = 35,486.28 : x
  2. Step 2: Convert to fraction form
    64,168.49/88,549.94 = 35,486.28/x
  3. Step 3: Cross multiply
    64,168.49x = 88,549.94 × 35,486.28
  4. Step 4: Simplify right side
    64,168.49x = 3,142,307,787.39
  5. Step 5: Solve for x
    x = 3,142,307,787.39/64,168.49
  6. Step 6: Final answer
    x = 48,969.64

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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.