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Finding the Fourth Proportional to 38,410.58, 57,574.22 and 19,664.91

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Solution

The fourth proportional to 38,410.58, 57,574.22 and 19,664.91 is: 29,476.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,410.58 : 57,574.22 = 19,664.91 : x
  2. Step 2: Convert to fraction form
    38,410.58/57,574.22 = 19,664.91/x
  3. Step 3: Cross multiply
    38,410.58x = 57,574.22 × 19,664.91
  4. Step 4: Simplify right side
    38,410.58x = 1,132,191,756.30
  5. Step 5: Solve for x
    x = 1,132,191,756.30/38,410.58
  6. Step 6: Final answer
    x = 29,476.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.