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Finding the Fourth Proportional to 29,224.80, 40,325.04 and 17,288.64

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Solution

The fourth proportional to 29,224.80, 40,325.04 and 17,288.64 is: 23,855.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,224.80 : 40,325.04 = 17,288.64 : x
  2. Step 2: Convert to fraction form
    29,224.80/40,325.04 = 17,288.64/x
  3. Step 3: Cross multiply
    29,224.80x = 40,325.04 × 17,288.64
  4. Step 4: Simplify right side
    29,224.80x = 697,165,099.55
  5. Step 5: Solve for x
    x = 697,165,099.55/29,224.80
  6. Step 6: Final answer
    x = 23,855.26

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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.