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Finding the Fourth Proportional to 55,065.44, 75,983.86 and 32,399.44

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Solution

The fourth proportional to 55,065.44, 75,983.86 and 32,399.44 is: 44,707.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,065.44 : 75,983.86 = 32,399.44 : x
  2. Step 2: Convert to fraction form
    55,065.44/75,983.86 = 32,399.44/x
  3. Step 3: Cross multiply
    55,065.44x = 75,983.86 × 32,399.44
  4. Step 4: Simplify right side
    55,065.44x = 2,461,834,513.04
  5. Step 5: Solve for x
    x = 2,461,834,513.04/55,065.44
  6. Step 6: Final answer
    x = 44,707.43

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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.