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Finding the Fourth Proportional to 38,181.04, 56,961.54 and 36,114.32

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Solution

The fourth proportional to 38,181.04, 56,961.54 and 36,114.32 is: 53,878.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,181.04 : 56,961.54 = 36,114.32 : x
  2. Step 2: Convert to fraction form
    38,181.04/56,961.54 = 36,114.32/x
  3. Step 3: Cross multiply
    38,181.04x = 56,961.54 × 36,114.32
  4. Step 4: Simplify right side
    38,181.04x = 2,057,127,102.68
  5. Step 5: Solve for x
    x = 2,057,127,102.68/38,181.04
  6. Step 6: Final answer
    x = 53,878.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.