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Finding the Fourth Proportional to 63,967.66, 88,270.16 and 35,282.72

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Solution

The fourth proportional to 63,967.66, 88,270.16 and 35,282.72 is: 48,687.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,967.66 : 88,270.16 = 35,282.72 : x
  2. Step 2: Convert to fraction form
    63,967.66/88,270.16 = 35,282.72/x
  3. Step 3: Cross multiply
    63,967.66x = 88,270.16 × 35,282.72
  4. Step 4: Simplify right side
    63,967.66x = 3,114,411,383.90
  5. Step 5: Solve for x
    x = 3,114,411,383.90/63,967.66
  6. Step 6: Final answer
    x = 48,687.28

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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.