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Finding the Fourth Proportional to 29,159.20, 40,239.60 and 16,583.20

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Solution

The fourth proportional to 29,159.20, 40,239.60 and 16,583.20 is: 22,884.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,159.20 : 40,239.60 = 16,583.20 : x
  2. Step 2: Convert to fraction form
    29,159.20/40,239.60 = 16,583.20/x
  3. Step 3: Cross multiply
    29,159.20x = 40,239.60 × 16,583.20
  4. Step 4: Simplify right side
    29,159.20x = 667,301,334.72
  5. Step 5: Solve for x
    x = 667,301,334.72/29,159.20
  6. Step 6: Final answer
    x = 22,884.76

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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.