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Finding the Fourth Proportional to 29,621.64, 40,873.90 and 19,025.64

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Solution

The fourth proportional to 29,621.64, 40,873.90 and 19,025.64 is: 26,252.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,621.64 : 40,873.90 = 19,025.64 : x
  2. Step 2: Convert to fraction form
    29,621.64/40,873.90 = 19,025.64/x
  3. Step 3: Cross multiply
    29,621.64x = 40,873.90 × 19,025.64
  4. Step 4: Simplify right side
    29,621.64x = 777,652,106.80
  5. Step 5: Solve for x
    x = 777,652,106.80/29,621.64
  6. Step 6: Final answer
    x = 26,252.84

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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.