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Finding the Fourth Proportional to 65,980.29, 98,969.05 and 16,060.67

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Solution

The fourth proportional to 65,980.29, 98,969.05 and 16,060.67 is: 24,090.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,980.29 : 98,969.05 = 16,060.67 : x
  2. Step 2: Convert to fraction form
    65,980.29/98,969.05 = 16,060.67/x
  3. Step 3: Cross multiply
    65,980.29x = 98,969.05 × 16,060.67
  4. Step 4: Simplify right side
    65,980.29x = 1,589,509,252.26
  5. Step 5: Solve for x
    x = 1,589,509,252.26/65,980.29
  6. Step 6: Final answer
    x = 24,090.67

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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.