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Finding the Fourth Proportional to 29,267.64, 40,376.01 and 18,650.64

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Solution

The fourth proportional to 29,267.64, 40,376.01 and 18,650.64 is: 25,729.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,267.64 : 40,376.01 = 18,650.64 : x
  2. Step 2: Convert to fraction form
    29,267.64/40,376.01 = 18,650.64/x
  3. Step 3: Cross multiply
    29,267.64x = 40,376.01 × 18,650.64
  4. Step 4: Simplify right side
    29,267.64x = 753,038,427.15
  5. Step 5: Solve for x
    x = 753,038,427.15/29,267.64
  6. Step 6: Final answer
    x = 25,729.39

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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.