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Finding the Fourth Proportional to 56,765.88, 85,153.68 and 23,479.56

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Solution

The fourth proportional to 56,765.88, 85,153.68 and 23,479.56 is: 35,221.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,765.88 : 85,153.68 = 23,479.56 : x
  2. Step 2: Convert to fraction form
    56,765.88/85,153.68 = 23,479.56/x
  3. Step 3: Cross multiply
    56,765.88x = 85,153.68 × 23,479.56
  4. Step 4: Simplify right side
    56,765.88x = 1,999,370,938.78
  5. Step 5: Solve for x
    x = 1,999,370,938.78/56,765.88
  6. Step 6: Final answer
    x = 35,221.35

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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.