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Finding the Fourth Proportional to 52,651.66, 72,658.99 and 29,991.60

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Solution

The fourth proportional to 52,651.66, 72,658.99 and 29,991.60 is: 41,388.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,651.66 : 72,658.99 = 29,991.60 : x
  2. Step 2: Convert to fraction form
    52,651.66/72,658.99 = 29,991.60/x
  3. Step 3: Cross multiply
    52,651.66x = 72,658.99 × 29,991.60
  4. Step 4: Simplify right side
    52,651.66x = 2,179,159,364.48
  5. Step 5: Solve for x
    x = 2,179,159,364.48/52,651.66
  6. Step 6: Final answer
    x = 41,388.24

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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.