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Finding the Fourth Proportional to 55,057.98, 82,599.26 and 17,620.28

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Solution

The fourth proportional to 55,057.98, 82,599.26 and 17,620.28 is: 26,434.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,057.98 : 82,599.26 = 17,620.28 : x
  2. Step 2: Convert to fraction form
    55,057.98/82,599.26 = 17,620.28/x
  3. Step 3: Cross multiply
    55,057.98x = 82,599.26 × 17,620.28
  4. Step 4: Simplify right side
    55,057.98x = 1,455,422,088.99
  5. Step 5: Solve for x
    x = 1,455,422,088.99/55,057.98
  6. Step 6: Final answer
    x = 26,434.35

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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.