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Finding the Fourth Proportional to 64,724.56, 97,086.03 and 35,329.66

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Solution

The fourth proportional to 64,724.56, 97,086.03 and 35,329.66 is: 52,994.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,724.56 : 97,086.03 = 35,329.66 : x
  2. Step 2: Convert to fraction form
    64,724.56/97,086.03 = 35,329.66/x
  3. Step 3: Cross multiply
    64,724.56x = 97,086.03 × 35,329.66
  4. Step 4: Simplify right side
    64,724.56x = 3,430,016,430.65
  5. Step 5: Solve for x
    x = 3,430,016,430.65/64,724.56
  6. Step 6: Final answer
    x = 52,994.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.