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Finding the Fourth Proportional to 43,393.76, 65,130.74 and 26,786.24

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Solution

The fourth proportional to 43,393.76, 65,130.74 and 26,786.24 is: 40,204.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,393.76 : 65,130.74 = 26,786.24 : x
  2. Step 2: Convert to fraction form
    43,393.76/65,130.74 = 26,786.24/x
  3. Step 3: Cross multiply
    43,393.76x = 65,130.74 × 26,786.24
  4. Step 4: Simplify right side
    43,393.76x = 1,744,607,633.02
  5. Step 5: Solve for x
    x = 1,744,607,633.02/43,393.76
  6. Step 6: Final answer
    x = 40,204.11

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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.