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Finding the Fourth Proportional to 56,672.30, 85,011.65 and 17,230.70

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Solution

The fourth proportional to 56,672.30, 85,011.65 and 17,230.70 is: 25,847.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,672.30 : 85,011.65 = 17,230.70 : x
  2. Step 2: Convert to fraction form
    56,672.30/85,011.65 = 17,230.70/x
  3. Step 3: Cross multiply
    56,672.30x = 85,011.65 × 17,230.70
  4. Step 4: Simplify right side
    56,672.30x = 1,464,810,237.66
  5. Step 5: Solve for x
    x = 1,464,810,237.66/56,672.30
  6. Step 6: Final answer
    x = 25,847.02

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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.