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Finding the Fourth Proportional to 56,805.64, 85,150.74 and 23,543.80

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Solution

The fourth proportional to 56,805.64, 85,150.74 and 23,543.80 is: 35,291.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,805.64 : 85,150.74 = 23,543.80 : x
  2. Step 2: Convert to fraction form
    56,805.64/85,150.74 = 23,543.80/x
  3. Step 3: Cross multiply
    56,805.64x = 85,150.74 × 23,543.80
  4. Step 4: Simplify right side
    56,805.64x = 2,004,771,992.41
  5. Step 5: Solve for x
    x = 2,004,771,992.41/56,805.64
  6. Step 6: Final answer
    x = 35,291.78

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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.