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Finding the Fourth Proportional to 38,662.68, 53,349.52 and 22,741.32

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Solution

The fourth proportional to 38,662.68, 53,349.52 and 22,741.32 is: 31,380.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,662.68 : 53,349.52 = 22,741.32 : x
  2. Step 2: Convert to fraction form
    38,662.68/53,349.52 = 22,741.32/x
  3. Step 3: Cross multiply
    38,662.68x = 53,349.52 × 22,741.32
  4. Step 4: Simplify right side
    38,662.68x = 1,213,238,506.17
  5. Step 5: Solve for x
    x = 1,213,238,506.17/38,662.68
  6. Step 6: Final answer
    x = 31,380.09

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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.