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Finding the Fourth Proportional to 65,955.45, 98,910.40 and 43,884.98

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Solution

The fourth proportional to 65,955.45, 98,910.40 and 43,884.98 is: 65,812.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,955.45 : 98,910.40 = 43,884.98 : x
  2. Step 2: Convert to fraction form
    65,955.45/98,910.40 = 43,884.98/x
  3. Step 3: Cross multiply
    65,955.45x = 98,910.40 × 43,884.98
  4. Step 4: Simplify right side
    65,955.45x = 4,340,680,925.79
  5. Step 5: Solve for x
    x = 4,340,680,925.79/65,955.45
  6. Step 6: Final answer
    x = 65,812.32

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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.