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Finding the Fourth Proportional to 64,475.12, 88,980.96 and 35,796.53

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Solution

The fourth proportional to 64,475.12, 88,980.96 and 35,796.53 is: 49,402.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,475.12 : 88,980.96 = 35,796.53 : x
  2. Step 2: Convert to fraction form
    64,475.12/88,980.96 = 35,796.53/x
  3. Step 3: Cross multiply
    64,475.12x = 88,980.96 × 35,796.53
  4. Step 4: Simplify right side
    64,475.12x = 3,185,209,604.07
  5. Step 5: Solve for x
    x = 3,185,209,604.07/64,475.12
  6. Step 6: Final answer
    x = 49,402.15

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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.