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Finding the Fourth Proportional to 29,423.69, 40,604.53 and 16,679.28

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Solution

The fourth proportional to 29,423.69, 40,604.53 and 16,679.28 is: 23,017.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,423.69 : 40,604.53 = 16,679.28 : x
  2. Step 2: Convert to fraction form
    29,423.69/40,604.53 = 16,679.28/x
  3. Step 3: Cross multiply
    29,423.69x = 40,604.53 × 16,679.28
  4. Step 4: Simplify right side
    29,423.69x = 677,254,325.14
  5. Step 5: Solve for x
    x = 677,254,325.14/29,423.69
  6. Step 6: Final answer
    x = 23,017.31

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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.