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Finding the Fourth Proportional to 55,345.66, 83,018.22 and 25,747.18

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Solution

The fourth proportional to 55,345.66, 83,018.22 and 25,747.18 is: 38,620.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,345.66 : 83,018.22 = 25,747.18 : x
  2. Step 2: Convert to fraction form
    55,345.66/83,018.22 = 25,747.18/x
  3. Step 3: Cross multiply
    55,345.66x = 83,018.22 × 25,747.18
  4. Step 4: Simplify right side
    55,345.66x = 2,137,485,053.62
  5. Step 5: Solve for x
    x = 2,137,485,053.62/55,345.66
  6. Step 6: Final answer
    x = 38,620.64

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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.