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Finding the Fourth Proportional to 21,594.66, 29,741.04 and 18,609.42

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Solution

The fourth proportional to 21,594.66, 29,741.04 and 18,609.42 is: 25,629.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,594.66 : 29,741.04 = 18,609.42 : x
  2. Step 2: Convert to fraction form
    21,594.66/29,741.04 = 18,609.42/x
  3. Step 3: Cross multiply
    21,594.66x = 29,741.04 × 18,609.42
  4. Step 4: Simplify right side
    21,594.66x = 553,463,504.60
  5. Step 5: Solve for x
    x = 553,463,504.60/21,594.66
  6. Step 6: Final answer
    x = 25,629.65

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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.