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Finding the Fourth Proportional to 39,393, 54,409.06 and 26,796.52

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Solution

The fourth proportional to 39,393, 54,409.06 and 26,796.52 is: 37,010.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,393 : 54,409.06 = 26,796.52 : x
  2. Step 2: Convert to fraction form
    39,393/54,409.06 = 26,796.52/x
  3. Step 3: Cross multiply
    39,393x = 54,409.06 × 26,796.52
  4. Step 4: Simplify right side
    39,393x = 1,457,973,464.47
  5. Step 5: Solve for x
    x = 1,457,973,464.47/39,393
  6. Step 6: Final answer
    x = 37,010.98

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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.