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Finding the Fourth Proportional to 65,337.66, 98,007.03 and 20,964.48

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Solution

The fourth proportional to 65,337.66, 98,007.03 and 20,964.48 is: 31,446.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,337.66 : 98,007.03 = 20,964.48 : x
  2. Step 2: Convert to fraction form
    65,337.66/98,007.03 = 20,964.48/x
  3. Step 3: Cross multiply
    65,337.66x = 98,007.03 × 20,964.48
  4. Step 4: Simplify right side
    65,337.66x = 2,054,666,420.29
  5. Step 5: Solve for x
    x = 2,054,666,420.29/65,337.66
  6. Step 6: Final answer
    x = 31,446.89

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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.