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Finding the Fourth Proportional to 26,807.64, 40,220.88 and 12,015.24

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Solution

The fourth proportional to 26,807.64, 40,220.88 and 12,015.24 is: 18,027.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,807.64 : 40,220.88 = 12,015.24 : x
  2. Step 2: Convert to fraction form
    26,807.64/40,220.88 = 12,015.24/x
  3. Step 3: Cross multiply
    26,807.64x = 40,220.88 × 12,015.24
  4. Step 4: Simplify right side
    26,807.64x = 483,263,526.21
  5. Step 5: Solve for x
    x = 483,263,526.21/26,807.64
  6. Step 6: Final answer
    x = 18,027.08

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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.