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Finding the Fourth Proportional to 43,684.76, 65,510.53 and 14,098.16

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Solution

The fourth proportional to 43,684.76, 65,510.53 and 14,098.16 is: 21,141.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,684.76 : 65,510.53 = 14,098.16 : x
  2. Step 2: Convert to fraction form
    43,684.76/65,510.53 = 14,098.16/x
  3. Step 3: Cross multiply
    43,684.76x = 65,510.53 × 14,098.16
  4. Step 4: Simplify right side
    43,684.76x = 923,577,933.62
  5. Step 5: Solve for x
    x = 923,577,933.62/43,684.76
  6. Step 6: Final answer
    x = 21,141.88

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1.5x scale

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.