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Finding the Fourth Proportional to 56,952.80, 85,429.20 and 23,661.80

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Solution

The fourth proportional to 56,952.80, 85,429.20 and 23,661.80 is: 35,492.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,952.80 : 85,429.20 = 23,661.80 : x
  2. Step 2: Convert to fraction form
    56,952.80/85,429.20 = 23,661.80/x
  3. Step 3: Cross multiply
    56,952.80x = 85,429.20 × 23,661.80
  4. Step 4: Simplify right side
    56,952.80x = 2,021,408,644.56
  5. Step 5: Solve for x
    x = 2,021,408,644.56/56,952.80
  6. Step 6: Final answer
    x = 35,492.70

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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.