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Finding the Fourth Proportional to 65,955.54, 98,960.94 and 28,496.34

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Solution

The fourth proportional to 65,955.54, 98,960.94 and 28,496.34 is: 42,756.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,955.54 : 98,960.94 = 28,496.34 : x
  2. Step 2: Convert to fraction form
    65,955.54/98,960.94 = 28,496.34/x
  3. Step 3: Cross multiply
    65,955.54x = 98,960.94 × 28,496.34
  4. Step 4: Simplify right side
    65,955.54x = 2,820,024,592.96
  5. Step 5: Solve for x
    x = 2,820,024,592.96/65,955.54
  6. Step 6: Final answer
    x = 42,756.45

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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.