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Finding the Fourth Proportional to 56,953.20, 85,429.80 and 41,206.80

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Solution

The fourth proportional to 56,953.20, 85,429.80 and 41,206.80 is: 61,810.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,953.20 : 85,429.80 = 41,206.80 : x
  2. Step 2: Convert to fraction form
    56,953.20/85,429.80 = 41,206.80/x
  3. Step 3: Cross multiply
    56,953.20x = 85,429.80 × 41,206.80
  4. Step 4: Simplify right side
    56,953.20x = 3,520,288,682.64
  5. Step 5: Solve for x
    x = 3,520,288,682.64/56,953.20
  6. Step 6: Final answer
    x = 61,810.20

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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.