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Finding the Fourth Proportional to 66,024.99, 91,149.79 and 51,654.27

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Solution

The fourth proportional to 66,024.99, 91,149.79 and 51,654.27 is: 71,310.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,024.99 : 91,149.79 = 51,654.27 : x
  2. Step 2: Convert to fraction form
    66,024.99/91,149.79 = 51,654.27/x
  3. Step 3: Cross multiply
    66,024.99x = 91,149.79 × 51,654.27
  4. Step 4: Simplify right side
    66,024.99x = 4,708,276,172.63
  5. Step 5: Solve for x
    x = 4,708,276,172.63/66,024.99
  6. Step 6: Final answer
    x = 71,310.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.