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Finding the Fourth Proportional to 43,666.76, 65,493.76 and 21,474.18

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Solution

The fourth proportional to 43,666.76, 65,493.76 and 21,474.18 is: 32,208.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,666.76 : 65,493.76 = 21,474.18 : x
  2. Step 2: Convert to fraction form
    43,666.76/65,493.76 = 21,474.18/x
  3. Step 3: Cross multiply
    43,666.76x = 65,493.76 × 21,474.18
  4. Step 4: Simplify right side
    43,666.76x = 1,406,424,791.12
  5. Step 5: Solve for x
    x = 1,406,424,791.12/43,666.76
  6. Step 6: Final answer
    x = 32,208.13

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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.