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Finding the Fourth Proportional to 26,370, 36,388.86 and 14,433.48

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Solution

The fourth proportional to 26,370, 36,388.86 and 14,433.48 is: 19,917.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,370 : 36,388.86 = 14,433.48 : x
  2. Step 2: Convert to fraction form
    26,370/36,388.86 = 14,433.48/x
  3. Step 3: Cross multiply
    26,370x = 36,388.86 × 14,433.48
  4. Step 4: Simplify right side
    26,370x = 525,217,883.03
  5. Step 5: Solve for x
    x = 525,217,883.03/26,370
  6. Step 6: Final answer
    x = 19,917.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.