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Finding the Fourth Proportional to 29,134.17, 40,195.71 and 17,028.99

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Solution

The fourth proportional to 29,134.17, 40,195.71 and 17,028.99 is: 23,494.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,134.17 : 40,195.71 = 17,028.99 : x
  2. Step 2: Convert to fraction form
    29,134.17/40,195.71 = 17,028.99/x
  3. Step 3: Cross multiply
    29,134.17x = 40,195.71 × 17,028.99
  4. Step 4: Simplify right side
    29,134.17x = 684,492,343.63
  5. Step 5: Solve for x
    x = 684,492,343.63/29,134.17
  6. Step 6: Final answer
    x = 23,494.49

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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.