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Finding the Fourth Proportional to 56,995.80, 85,422.62 and 27,405.69

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Solution

The fourth proportional to 56,995.80, 85,422.62 and 27,405.69 is: 41,074.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,995.80 : 85,422.62 = 27,405.69 : x
  2. Step 2: Convert to fraction form
    56,995.80/85,422.62 = 27,405.69/x
  3. Step 3: Cross multiply
    56,995.80x = 85,422.62 × 27,405.69
  4. Step 4: Simplify right side
    56,995.80x = 2,341,065,705.68
  5. Step 5: Solve for x
    x = 2,341,065,705.68/56,995.80
  6. Step 6: Final answer
    x = 41,074.35

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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.