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Finding the Fourth Proportional to 26,739.70, 40,109.55 and 25,314.10

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Solution

The fourth proportional to 26,739.70, 40,109.55 and 25,314.10 is: 37,971.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,739.70 : 40,109.55 = 25,314.10 : x
  2. Step 2: Convert to fraction form
    26,739.70/40,109.55 = 25,314.10/x
  3. Step 3: Cross multiply
    26,739.70x = 40,109.55 × 25,314.10
  4. Step 4: Simplify right side
    26,739.70x = 1,015,337,159.66
  5. Step 5: Solve for x
    x = 1,015,337,159.66/26,739.70
  6. Step 6: Final answer
    x = 37,971.15

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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.