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Finding the Fourth Proportional to 56,963.80, 85,445.70 and 23,672.80

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Solution

The fourth proportional to 56,963.80, 85,445.70 and 23,672.80 is: 35,509.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,963.80 : 85,445.70 = 23,672.80 : x
  2. Step 2: Convert to fraction form
    56,963.80/85,445.70 = 23,672.80/x
  3. Step 3: Cross multiply
    56,963.80x = 85,445.70 × 23,672.80
  4. Step 4: Simplify right side
    56,963.80x = 2,022,738,966.96
  5. Step 5: Solve for x
    x = 2,022,738,966.96/56,963.80
  6. Step 6: Final answer
    x = 35,509.20

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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.