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Finding the Fourth Proportional to 29,176.00, 40,250.15 and 17,845.99

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Solution

The fourth proportional to 29,176.00, 40,250.15 and 17,845.99 is: 24,619.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,176.00 : 40,250.15 = 17,845.99 : x
  2. Step 2: Convert to fraction form
    29,176.00/40,250.15 = 17,845.99/x
  3. Step 3: Cross multiply
    29,176.00x = 40,250.15 × 17,845.99
  4. Step 4: Simplify right side
    29,176.00x = 718,303,651.47
  5. Step 5: Solve for x
    x = 718,303,651.47/29,176.00
  6. Step 6: Final answer
    x = 24,619.68

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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.