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Finding the Fourth Proportional to 34,686.80, 52,048.20 and 16,218.80

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Solution

The fourth proportional to 34,686.80, 52,048.20 and 16,218.80 is: 24,336.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,686.80 : 52,048.20 = 16,218.80 : x
  2. Step 2: Convert to fraction form
    34,686.80/52,048.20 = 16,218.80/x
  3. Step 3: Cross multiply
    34,686.80x = 52,048.20 × 16,218.80
  4. Step 4: Simplify right side
    34,686.80x = 844,159,346.16
  5. Step 5: Solve for x
    x = 844,159,346.16/34,686.80
  6. Step 6: Final answer
    x = 24,336.62

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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.