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Finding the Fourth Proportional to 65,480.70, 98,065.53 and 46,714.62

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Solution

The fourth proportional to 65,480.70, 98,065.53 and 46,714.62 is: 69,960.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,480.70 : 98,065.53 = 46,714.62 : x
  2. Step 2: Convert to fraction form
    65,480.70/98,065.53 = 46,714.62/x
  3. Step 3: Cross multiply
    65,480.70x = 98,065.53 × 46,714.62
  4. Step 4: Simplify right side
    65,480.70x = 4,581,093,969.05
  5. Step 5: Solve for x
    x = 4,581,093,969.05/65,480.70
  6. Step 6: Final answer
    x = 69,960.98

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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.