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Finding the Fourth Proportional to 34,350.40, 51,525.60 and 16,811.20

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Solution

The fourth proportional to 34,350.40, 51,525.60 and 16,811.20 is: 25,216.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,350.40 : 51,525.60 = 16,811.20 : x
  2. Step 2: Convert to fraction form
    34,350.40/51,525.60 = 16,811.20/x
  3. Step 3: Cross multiply
    34,350.40x = 51,525.60 × 16,811.20
  4. Step 4: Simplify right side
    34,350.40x = 866,207,166.72
  5. Step 5: Solve for x
    x = 866,207,166.72/34,350.40
  6. Step 6: Final answer
    x = 25,216.80

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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.