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Finding the Fourth Proportional to 26,847.64, 40,090.64 and 21,927.04

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Solution

The fourth proportional to 26,847.64, 40,090.64 and 21,927.04 is: 32,742.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,847.64 : 40,090.64 = 21,927.04 : x
  2. Step 2: Convert to fraction form
    26,847.64/40,090.64 = 21,927.04/x
  3. Step 3: Cross multiply
    26,847.64x = 40,090.64 × 21,927.04
  4. Step 4: Simplify right side
    26,847.64x = 879,069,066.91
  5. Step 5: Solve for x
    x = 879,069,066.91/26,847.64
  6. Step 6: Final answer
    x = 32,742.88

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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.