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Finding the Fourth Proportional to 26,703.66, 40,043.32 and 14,220.48

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Solution

The fourth proportional to 26,703.66, 40,043.32 and 14,220.48 is: 21,324.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,703.66 : 40,043.32 = 14,220.48 : x
  2. Step 2: Convert to fraction form
    26,703.66/40,043.32 = 14,220.48/x
  3. Step 3: Cross multiply
    26,703.66x = 40,043.32 × 14,220.48
  4. Step 4: Simplify right side
    26,703.66x = 569,435,231.19
  5. Step 5: Solve for x
    x = 569,435,231.19/26,703.66
  6. Step 6: Final answer
    x = 21,324.24

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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.