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Finding the Fourth Proportional to 26,703.58, 40,079.12 and 14,233.90

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Solution

The fourth proportional to 26,703.58, 40,079.12 and 14,233.90 is: 21,363.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,703.58 : 40,079.12 = 14,233.90 : x
  2. Step 2: Convert to fraction form
    26,703.58/40,079.12 = 14,233.90/x
  3. Step 3: Cross multiply
    26,703.58x = 40,079.12 × 14,233.90
  4. Step 4: Simplify right side
    26,703.58x = 570,482,021.36
  5. Step 5: Solve for x
    x = 570,482,021.36/26,703.58
  6. Step 6: Final answer
    x = 21,363.51

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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.