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Finding the Fourth Proportional to 34,683.80, 52,043.70 and 16,215.80

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Solution

The fourth proportional to 34,683.80, 52,043.70 and 16,215.80 is: 24,332.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,683.80 : 52,043.70 = 16,215.80 : x
  2. Step 2: Convert to fraction form
    34,683.80/52,043.70 = 16,215.80/x
  3. Step 3: Cross multiply
    34,683.80x = 52,043.70 × 16,215.80
  4. Step 4: Simplify right side
    34,683.80x = 843,930,230.46
  5. Step 5: Solve for x
    x = 843,930,230.46/34,683.80
  6. Step 6: Final answer
    x = 24,332.12

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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.